{"key":"short-growing-seasons-with-high-growing-degree-days","title":"Short Growing Seasons With Surprisingly High Heat","shortTitle":"Short Seasons, Higher Heat","slug":"short-growing-seasons-with-high-growing-degree-days","permalink":"/data/rankings/short-growing-seasons-with-high-growing-degree-days/","description":"Cities with shorter frost-free windows but stronger-than-expected base 50°F growing degree day accumulation.","updated":"2026-06-13","category":"Data ranking","methodology":"Cities with 180 or fewer frost-free days are ranked by how much higher their base 50°F GDD percentile is than their frost-free-days percentile. The result highlights places where timing is tight but seasonal heat is stronger than the calendar suggests.","caveat":"These cities still have short-season risk. The advantage is heat intensity inside the window, not immunity from late spring frost, early fall frost, hail, wind, drought, or cold garden pockets.","top":{"rank":1,"cityKey":"saranac-lake","cityName":"Saranac Lake","regionKey":"new-york","regionName":"New York","regionAbbr":"NY","country":"usa","countryLabel":"United States","lookupKey":"12983","url":"/planting-dates/new-york/saranac-lake/","springFrost":"June 2","fallFrost":"September 9","frostFreeDays":99,"gddBase50":2316,"gddBase45":3226,"gddBase40":4253,"seasonPercentile":4,"heatPercentile":70,"seasonHeatGap":-66,"mismatchScore":66,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Saranac Lake has a short frost-free window compared with its heat accumulation, so timing is tight but summer heat can be surprisingly useful."},"citiesCompared":428,"entries":[{"rank":1,"cityKey":"saranac-lake","cityName":"Saranac Lake","regionKey":"new-york","regionName":"New York","regionAbbr":"NY","country":"usa","countryLabel":"United States","lookupKey":"12983","url":"/planting-dates/new-york/saranac-lake/","springFrost":"June 2","fallFrost":"September 9","frostFreeDays":99,"gddBase50":2316,"gddBase45":3226,"gddBase40":4253,"seasonPercentile":4,"heatPercentile":70,"seasonHeatGap":-66,"mismatchScore":66,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Saranac Lake has a short frost-free window compared with its heat accumulation, so timing is tight but summer heat can be surprisingly useful."},{"rank":2,"cityKey":"kapuskasing","cityName":"Kapuskasing","regionKey":"ontario","regionName":"Ontario","regionAbbr":"ON","country":"canada","countryLabel":"Canada","lookupKey":"P5N","url":"/planting-dates/canada/ontario/kapuskasing/","springFrost":"June 4","fallFrost":"September 17","frostFreeDays":105,"gddBase50":2285,"gddBase45":3214,"gddBase40":4280,"seasonPercentile":7,"heatPercentile":69,"seasonHeatGap":-62,"mismatchScore":62,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Kapuskasing has a short frost-free window compared with its heat accumulation, so timing is tight but summer heat can be surprisingly useful."},{"rank":3,"cityKey":"corner-brook","cityName":"Corner Brook","regionKey":"newfoundland-and-labrador","regionName":"Newfoundland and Labrador","regionAbbr":"NL","country":"canada","countryLabel":"Canada","lookupKey":"A2H","url":"/planting-dates/canada/newfoundland-and-labrador/corner-brook/","springFrost":"June 10","fallFrost":"September 20","frostFreeDays":102,"gddBase50":2260,"gddBase45":3196,"gddBase40":4269,"seasonPercentile":6,"heatPercentile":67,"seasonHeatGap":-61,"mismatchScore":61,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Corner Brook has a short frost-free window compared with its heat accumulation, so timing is tight but summer heat can be surprisingly useful."},{"rank":4,"cityKey":"sioux-lookout","cityName":"Sioux Lookout","regionKey":"ontario","regionName":"Ontario","regionAbbr":"ON","country":"canada","countryLabel":"Canada","lookupKey":"P8T","url":"/planting-dates/canada/ontario/sioux-lookout/","springFrost":"May 17","fallFrost":"September 28","frostFreeDays":134,"gddBase50":2999,"gddBase45":4020,"gddBase40":5176,"seasonPercentile":30,"heatPercentile":89,"seasonHeatGap":-59,"mismatchScore":59,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Sioux Lookout has a short frost-free window compared with its heat accumulation, so timing is tight but summer heat can be surprisingly useful."},{"rank":5,"cityKey":"thunder-bay","cityName":"Thunder Bay","regionKey":"ontario","regionName":"Ontario","regionAbbr":"ON","country":"canada","countryLabel":"Canada","lookupKey":"P7B","url":"/planting-dates/canada/ontario/thunder-bay/","springFrost":"May 31","fallFrost":"September 16","frostFreeDays":108,"gddBase50":2260,"gddBase45":3196,"gddBase40":4269,"seasonPercentile":9,"heatPercentile":67,"seasonHeatGap":-58,"mismatchScore":58,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Thunder Bay has a short frost-free window compared with its heat accumulation, so timing is tight but summer heat can be surprisingly useful."},{"rank":6,"cityKey":"ashland-or","cityName":"Ashland","regionKey":"oregon","regionName":"Oregon","regionAbbr":"OR","country":"usa","countryLabel":"United States","lookupKey":"97520","url":"/planting-dates/oregon/ashland-or/","springFrost":"June 8","fallFrost":"September 24","frostFreeDays":108,"gddBase50":2177,"gddBase45":3210,"gddBase40":4566,"seasonPercentile":9,"heatPercentile":63,"seasonHeatGap":-54,"mismatchScore":54,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Ashland has a short frost-free window compared with its heat accumulation, so timing is tight but summer heat can be surprisingly useful."},{"rank":7,"cityKey":"baie-comeau","cityName":"Baie-Comeau","regionKey":"quebec","regionName":"Quebec","regionAbbr":"QC","country":"canada","countryLabel":"Canada","lookupKey":"G4Z","url":"/planting-dates/canada/quebec/baie-comeau/","springFrost":"May 29","fallFrost":"September 21","frostFreeDays":115,"gddBase50":2207,"gddBase45":3099,"gddBase40":4110,"seasonPercentile":13,"heatPercentile":65,"seasonHeatGap":-52,"mismatchScore":52,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Baie-Comeau has a short frost-free window compared with its heat accumulation, so timing is tight but summer heat can be surprisingly useful."},{"rank":8,"cityKey":"dryden","cityName":"Dryden","regionKey":"ontario","regionName":"Ontario","regionAbbr":"ON","country":"canada","countryLabel":"Canada","lookupKey":"P8N","url":"/planting-dates/canada/ontario/dryden/","springFrost":"May 17","fallFrost":"September 28","frostFreeDays":134,"gddBase50":2561,"gddBase45":3524,"gddBase40":4627,"seasonPercentile":30,"heatPercentile":81,"seasonHeatGap":-51,"mismatchScore":51,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Dryden has a short frost-free window compared with its heat accumulation, so timing is tight but summer heat can be surprisingly useful."},{"rank":9,"cityKey":"sault-ste-marie-on","cityName":"Sault Ste. Marie","regionKey":"ontario","regionName":"Ontario","regionAbbr":"ON","country":"canada","countryLabel":"Canada","lookupKey":"P6A","url":"/planting-dates/canada/ontario/sault-ste-marie-on/","springFrost":"May 28","fallFrost":"September 29","frostFreeDays":124,"gddBase50":2372,"gddBase45":3282,"gddBase40":4314,"seasonPercentile":23,"heatPercentile":73,"seasonHeatGap":-50,"mismatchScore":50,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Sault Ste. Marie has a short frost-free window compared with its heat accumulation, so timing is tight but summer heat can be surprisingly useful."},{"rank":10,"cityKey":"chapleau","cityName":"Chapleau","regionKey":"ontario","regionName":"Ontario","regionAbbr":"ON","country":"canada","countryLabel":"Canada","lookupKey":"P0M","url":"/planting-dates/canada/ontario/chapleau/","springFrost":"May 29","fallFrost":"September 18","frostFreeDays":112,"gddBase50":2134,"gddBase45":3039,"gddBase40":4076,"seasonPercentile":11,"heatPercentile":61,"seasonHeatGap":-50,"mismatchScore":50,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Chapleau has a short frost-free window compared with its heat accumulation, so timing is tight but summer heat can be surprisingly useful."},{"rank":11,"cityKey":"boise","cityName":"Boise","regionKey":"idaho","regionName":"Idaho","regionAbbr":"ID","country":"usa","countryLabel":"United States","lookupKey":"83702","url":"/planting-dates/idaho/boise/","springFrost":"May 17","fallFrost":"October 12","frostFreeDays":148,"gddBase50":3131,"gddBase45":4199,"gddBase40":5450,"seasonPercentile":47,"heatPercentile":92,"seasonHeatGap":-45,"mismatchScore":45,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Boise has a short frost-free window compared with its heat accumulation, so timing is tight but summer heat can be surprisingly useful."},{"rank":12,"cityKey":"amos","cityName":"Amos","regionKey":"quebec","regionName":"Quebec","regionAbbr":"QC","country":"canada","countryLabel":"Canada","lookupKey":"J9T","url":"/planting-dates/canada/quebec/amos/","springFrost":"May 31","fallFrost":"September 16","frostFreeDays":108,"gddBase50":1952,"gddBase45":2795,"gddBase40":3754,"seasonPercentile":9,"heatPercentile":52,"seasonHeatGap":-43,"mismatchScore":43,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Amos gives gardeners fewer frost-free days than many locations, but the available heat ranks much better than the calendar window."},{"rank":13,"cityKey":"cochrane-on","cityName":"Cochrane","regionKey":"ontario","regionName":"Ontario","regionAbbr":"ON","country":"canada","countryLabel":"Canada","lookupKey":"P0L","url":"/planting-dates/canada/ontario/cochrane-on/","springFrost":"June 4","fallFrost":"September 17","frostFreeDays":105,"gddBase50":1925,"gddBase45":2777,"gddBase40":3748,"seasonPercentile":7,"heatPercentile":49,"seasonHeatGap":-42,"mismatchScore":42,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Cochrane gives gardeners fewer frost-free days than many locations, but the available heat ranks much better than the calendar window."},{"rank":14,"cityKey":"moosonee","cityName":"Moosonee","regionKey":"ontario","regionName":"Ontario","regionAbbr":"ON","country":"canada","countryLabel":"Canada","lookupKey":"P0L","url":"/planting-dates/canada/ontario/moosonee/","springFrost":"June 4","fallFrost":"September 17","frostFreeDays":105,"gddBase50":1925,"gddBase45":2777,"gddBase40":3748,"seasonPercentile":7,"heatPercentile":49,"seasonHeatGap":-42,"mismatchScore":42,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Moosonee gives gardeners fewer frost-free days than many locations, but the available heat ranks much better than the calendar window."},{"rank":15,"cityKey":"scottsbluff","cityName":"Scottsbluff","regionKey":"nebraska","regionName":"Nebraska","regionAbbr":"NE","country":"usa","countryLabel":"United States","lookupKey":"69361","url":"/planting-dates/nebraska/scottsbluff/","springFrost":"May 13","fallFrost":"October 2","frostFreeDays":142,"gddBase50":2559,"gddBase45":3469,"gddBase40":4562,"seasonPercentile":41,"heatPercentile":80,"seasonHeatGap":-39,"mismatchScore":39,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Scottsbluff gives gardeners fewer frost-free days than many locations, but the available heat ranks much better than the calendar window."},{"rank":16,"cityKey":"idaho-falls","cityName":"Idaho Falls","regionKey":"idaho","regionName":"Idaho","regionAbbr":"ID","country":"usa","countryLabel":"United States","lookupKey":"83402","url":"/planting-dates/idaho/idaho-falls/","springFrost":"May 23","fallFrost":"September 20","frostFreeDays":120,"gddBase50":2001,"gddBase45":2861,"gddBase40":3900,"seasonPercentile":17,"heatPercentile":55,"seasonHeatGap":-38,"mismatchScore":38,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Idaho Falls gives gardeners fewer frost-free days than many locations, but the available heat ranks much better than the calendar window."},{"rank":17,"cityKey":"casper","cityName":"Casper","regionKey":"wyoming","regionName":"Wyoming","regionAbbr":"WY","country":"usa","countryLabel":"United States","lookupKey":"82601","url":"/planting-dates/wyoming/casper/","springFrost":"May 26","fallFrost":"September 22","frostFreeDays":119,"gddBase50":1970,"gddBase45":2762,"gddBase40":3706,"seasonPercentile":16,"heatPercentile":54,"seasonHeatGap":-38,"mismatchScore":38,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Casper gives gardeners fewer frost-free days than many locations, but the available heat ranks much better than the calendar window."},{"rank":18,"cityKey":"yakima","cityName":"Yakima","regionKey":"washington","regionName":"Washington","regionAbbr":"WA","country":"usa","countryLabel":"United States","lookupKey":"98901","url":"/planting-dates/washington/yakima/","springFrost":"May 5","fallFrost":"October 4","frostFreeDays":152,"gddBase50":2933,"gddBase45":4016,"gddBase40":5287,"seasonPercentile":52,"heatPercentile":88,"seasonHeatGap":-36,"mismatchScore":36,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Yakima gives gardeners fewer frost-free days than many locations, but the available heat ranks much better than the calendar window."},{"rank":19,"cityKey":"pocatello","cityName":"Pocatello","regionKey":"idaho","regionName":"Idaho","regionAbbr":"ID","country":"usa","countryLabel":"United States","lookupKey":"83201","url":"/planting-dates/idaho/pocatello/","springFrost":"May 16","fallFrost":"October 2","frostFreeDays":139,"gddBase50":2382,"gddBase45":3291,"gddBase40":4382,"seasonPercentile":38,"heatPercentile":73,"seasonHeatGap":-35,"mismatchScore":35,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Pocatello gives gardeners fewer frost-free days than many locations, but the available heat ranks much better than the calendar window."},{"rank":20,"cityKey":"sidney-mt","cityName":"Sidney","regionKey":"montana","regionName":"Montana","regionAbbr":"MT","country":"usa","countryLabel":"United States","lookupKey":"59270","url":"/planting-dates/montana/sidney-mt/","springFrost":"May 11","fallFrost":"September 27","frostFreeDays":139,"gddBase50":2354,"gddBase45":3244,"gddBase40":4250,"seasonPercentile":38,"heatPercentile":71,"seasonHeatGap":-33,"mismatchScore":33,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Sidney gives gardeners fewer frost-free days than many locations, but the available heat ranks much better than the calendar window."},{"rank":21,"cityKey":"gillette","cityName":"Gillette","regionKey":"wyoming","regionName":"Wyoming","regionAbbr":"WY","country":"usa","countryLabel":"United States","lookupKey":"82716","url":"/planting-dates/wyoming/gillette/","springFrost":"May 21","fallFrost":"September 23","frostFreeDays":125,"gddBase50":2021,"gddBase45":2821,"gddBase40":3772,"seasonPercentile":23,"heatPercentile":56,"seasonHeatGap":-33,"mismatchScore":33,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Gillette gives gardeners fewer frost-free days than many locations, but the available heat ranks much better than the calendar window."},{"rank":22,"cityKey":"fort-mcmurray","cityName":"Fort McMurray","regionKey":"alberta","regionName":"Alberta","regionAbbr":"AB","country":"canada","countryLabel":"Canada","lookupKey":"T9H","url":"/planting-dates/canada/alberta/fort-mcmurray/","springFrost":"May 29","fallFrost":"September 7","frostFreeDays":101,"gddBase50":1666,"gddBase45":2482,"gddBase40":3425,"seasonPercentile":5,"heatPercentile":38,"seasonHeatGap":-33,"mismatchScore":33,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Fort McMurray gives gardeners fewer frost-free days than many locations, but the available heat ranks much better than the calendar window."},{"rank":23,"cityKey":"greeley","cityName":"Greeley","regionKey":"colorado","regionName":"Colorado","regionAbbr":"CO","country":"usa","countryLabel":"United States","lookupKey":"80631","url":"/planting-dates/colorado/greeley/","springFrost":"May 2","fallFrost":"October 8","frostFreeDays":159,"gddBase50":2981,"gddBase45":4037,"gddBase40":5245,"seasonPercentile":58,"heatPercentile":89,"seasonHeatGap":-31,"mismatchScore":31,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Greeley gives gardeners fewer frost-free days than many locations, but the available heat ranks much better than the calendar window."},{"rank":24,"cityKey":"decorah","cityName":"Decorah","regionKey":"iowa","regionName":"Iowa","regionAbbr":"IA","country":"usa","countryLabel":"United States","lookupKey":"52101","url":"/planting-dates/iowa/decorah/","springFrost":"May 3","fallFrost":"October 7","frostFreeDays":157,"gddBase50":2876,"gddBase45":3865,"gddBase40":4965,"seasonPercentile":56,"heatPercentile":87,"seasonHeatGap":-31,"mismatchScore":31,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Decorah gives gardeners fewer frost-free days than many locations, but the available heat ranks much better than the calendar window."},{"rank":25,"cityKey":"elliot-lake","cityName":"Elliot Lake","regionKey":"ontario","regionName":"Ontario","regionAbbr":"ON","country":"canada","countryLabel":"Canada","lookupKey":"P5A","url":"/planting-dates/canada/ontario/elliot-lake/","springFrost":"May 18","fallFrost":"October 1","frostFreeDays":136,"gddBase50":2167,"gddBase45":3076,"gddBase40":4131,"seasonPercentile":33,"heatPercentile":63,"seasonHeatGap":-30,"mismatchScore":30,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Elliot Lake gives gardeners fewer frost-free days than many locations, but the available heat ranks much better than the calendar window."},{"rank":26,"cityKey":"mackenzie-bc","cityName":"Mackenzie","regionKey":"british-columbia","regionName":"British Columbia","regionAbbr":"BC","country":"canada","countryLabel":"Canada","lookupKey":"V0J","url":"/planting-dates/canada/british-columbia/mackenzie-bc/","springFrost":"May 26","fallFrost":"September 17","frostFreeDays":114,"gddBase50":1742,"gddBase45":2615,"gddBase40":3655,"seasonPercentile":12,"heatPercentile":42,"seasonHeatGap":-30,"mismatchScore":30,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Mackenzie gives gardeners fewer frost-free days than many locations, but the available heat ranks much better than the calendar window."},{"rank":27,"cityKey":"smithers","cityName":"Smithers","regionKey":"british-columbia","regionName":"British Columbia","regionAbbr":"BC","country":"canada","countryLabel":"Canada","lookupKey":"V0J","url":"/planting-dates/canada/british-columbia/smithers/","springFrost":"May 26","fallFrost":"September 17","frostFreeDays":114,"gddBase50":1742,"gddBase45":2615,"gddBase40":3655,"seasonPercentile":12,"heatPercentile":42,"seasonHeatGap":-30,"mismatchScore":30,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Smithers gives gardeners fewer frost-free days than many locations, but the available heat ranks much better than the calendar window."},{"rank":28,"cityKey":"iron-river-mi","cityName":"Iron River","regionKey":"michigan","regionName":"Michigan","regionAbbr":"MI","country":"usa","countryLabel":"United States","lookupKey":"49935","url":"/planting-dates/michigan/iron-river-mi/","springFrost":"June 4","fallFrost":"September 10","frostFreeDays":98,"gddBase50":1560,"gddBase45":2327,"gddBase40":3203,"seasonPercentile":4,"heatPercentile":34,"seasonHeatGap":-30,"mismatchScore":30,"label":"Short season, stronger heat budget","mismatchType":"short-high-gdd","reason":"Iron River gives gardeners fewer frost-free days than many locations, but the available heat ranks much better than the calendar window."},{"rank":29,"cityKey":"norfolk-ne","cityName":"Norfolk","regionKey":"nebraska","regionName":"Nebraska","regionAbbr":"NE","country":"usa","countryLabel":"United States","lookupKey":"68701","url":"/planting-dates/nebraska/norfolk-ne/","springFrost":"May 1","fallFrost":"October 4","frostFreeDays":156,"gddBase50":2739,"gddBase45":3685,"gddBase40":4760,"seasonPercentile":55,"heatPercentile":84,"seasonHeatGap":-29,"mismatchScore":29,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Norfolk is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":30,"cityKey":"matagami","cityName":"Matagami","regionKey":"quebec","regionName":"Quebec","regionAbbr":"QC","country":"canada","countryLabel":"Canada","lookupKey":"J0Y","url":"/planting-dates/canada/quebec/matagami/","springFrost":"June 18","fallFrost":"September 30","frostFreeDays":104,"gddBase50":1601,"gddBase45":2388,"gddBase40":3290,"seasonPercentile":7,"heatPercentile":36,"seasonHeatGap":-29,"mismatchScore":29,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Matagami is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":31,"cityKey":"whitehorse","cityName":"Whitehorse","regionKey":"yukon","regionName":"Yukon","regionAbbr":"YT","country":"canada","countryLabel":"Canada","lookupKey":"Y1A","url":"/planting-dates/canada/yukon/whitehorse/","springFrost":"June 3","fallFrost":"August 28","frostFreeDays":86,"gddBase50":1474,"gddBase45":2257,"gddBase40":3176,"seasonPercentile":2,"heatPercentile":31,"seasonHeatGap":-29,"mismatchScore":29,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Whitehorse is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":32,"cityKey":"sioux-falls","cityName":"Sioux Falls","regionKey":"south-dakota","regionName":"South Dakota","regionAbbr":"SD","country":"usa","countryLabel":"United States","lookupKey":"57104","url":"/planting-dates/south-dakota/sioux-falls/","springFrost":"May 1","fallFrost":"October 6","frostFreeDays":158,"gddBase50":2793,"gddBase45":3727,"gddBase40":4779,"seasonPercentile":57,"heatPercentile":85,"seasonHeatGap":-28,"mismatchScore":28,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Sioux Falls is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":33,"cityKey":"longmont","cityName":"Longmont","regionKey":"colorado","regionName":"Colorado","regionAbbr":"CO","country":"usa","countryLabel":"United States","lookupKey":"80501","url":"/planting-dates/colorado/longmont/","springFrost":"May 7","fallFrost":"October 5","frostFreeDays":151,"gddBase50":2530,"gddBase45":3477,"gddBase40":4631,"seasonPercentile":50,"heatPercentile":78,"seasonHeatGap":-28,"mismatchScore":28,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Longmont is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":34,"cityKey":"sheridan","cityName":"Sheridan","regionKey":"wyoming","regionName":"Wyoming","regionAbbr":"WY","country":"usa","countryLabel":"United States","lookupKey":"82801","url":"/planting-dates/wyoming/sheridan/","springFrost":"May 18","fallFrost":"September 24","frostFreeDays":129,"gddBase50":1953,"gddBase45":2763,"gddBase40":3729,"seasonPercentile":26,"heatPercentile":53,"seasonHeatGap":-27,"mismatchScore":27,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Sheridan is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":35,"cityKey":"sterling-co","cityName":"Sterling","regionKey":"colorado","regionName":"Colorado","regionAbbr":"CO","country":"usa","countryLabel":"United States","lookupKey":"80751","url":"/planting-dates/colorado/sterling-co/","springFrost":"April 30","fallFrost":"October 9","frostFreeDays":162,"gddBase50":3027,"gddBase45":4028,"gddBase40":5198,"seasonPercentile":63,"heatPercentile":89,"seasonHeatGap":-26,"mismatchScore":26,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Sterling is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":36,"cityKey":"boulder","cityName":"Boulder","regionKey":"colorado","regionName":"Colorado","regionAbbr":"CO","country":"usa","countryLabel":"United States","lookupKey":"80302","url":"/planting-dates/colorado/boulder/","springFrost":"May 6","fallFrost":"October 5","frostFreeDays":152,"gddBase50":2540,"gddBase45":3553,"gddBase40":4772,"seasonPercentile":52,"heatPercentile":78,"seasonHeatGap":-26,"mismatchScore":26,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Boulder is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":37,"cityKey":"riverton-wy","cityName":"Riverton","regionKey":"wyoming","regionName":"Wyoming","regionAbbr":"WY","country":"usa","countryLabel":"United States","lookupKey":"82501","url":"/planting-dates/wyoming/riverton-wy/","springFrost":"May 12","fallFrost":"September 24","frostFreeDays":135,"gddBase50":2057,"gddBase45":2869,"gddBase40":3836,"seasonPercentile":31,"heatPercentile":57,"seasonHeatGap":-26,"mismatchScore":26,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Riverton is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":38,"cityKey":"bend","cityName":"Bend","regionKey":"oregon","regionName":"Oregon","regionAbbr":"OR","country":"usa","countryLabel":"United States","lookupKey":"97701","url":"/planting-dates/oregon/bend/","springFrost":"June 6","fallFrost":"September 20","frostFreeDays":106,"gddBase50":1560,"gddBase45":2413,"gddBase40":3471,"seasonPercentile":8,"heatPercentile":34,"seasonHeatGap":-26,"mismatchScore":26,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Bend is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":39,"cityKey":"sioux-city","cityName":"Sioux City","regionKey":"iowa","regionName":"Iowa","regionAbbr":"IA","country":"usa","countryLabel":"United States","lookupKey":"51101","url":"/planting-dates/iowa/sioux-city/","springFrost":"April 29","fallFrost":"October 7","frostFreeDays":161,"gddBase50":2840,"gddBase45":3789,"gddBase40":4861,"seasonPercentile":61,"heatPercentile":86,"seasonHeatGap":-25,"mismatchScore":25,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Sioux City is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":40,"cityKey":"springfield-ma","cityName":"Springfield","regionKey":"massachusetts","regionName":"Massachusetts","regionAbbr":"MA","country":"usa","countryLabel":"United States","lookupKey":"01103","url":"/planting-dates/massachusetts/springfield-ma/","springFrost":"May 3","fallFrost":"October 8","frostFreeDays":158,"gddBase50":2638,"gddBase45":3610,"gddBase40":4714,"seasonPercentile":57,"heatPercentile":82,"seasonHeatGap":-25,"mismatchScore":25,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Springfield is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":41,"cityKey":"valley-city","cityName":"Valley City","regionKey":"north-dakota","regionName":"North Dakota","regionAbbr":"ND","country":"usa","countryLabel":"United States","lookupKey":"58072","url":"/planting-dates/north-dakota/valley-city/","springFrost":"May 13","fallFrost":"September 26","frostFreeDays":136,"gddBase50":2077,"gddBase45":2895,"gddBase40":3815,"seasonPercentile":33,"heatPercentile":58,"seasonHeatGap":-25,"mismatchScore":25,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Valley City is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":42,"cityKey":"littleton-nh","cityName":"Littleton","regionKey":"new-hampshire","regionName":"New Hampshire","regionAbbr":"NH","country":"usa","countryLabel":"United States","lookupKey":"03561","url":"/planting-dates/new-hampshire/littleton-nh/","springFrost":"May 24","fallFrost":"September 18","frostFreeDays":117,"gddBase50":1694,"gddBase45":2505,"gddBase40":3439,"seasonPercentile":15,"heatPercentile":40,"seasonHeatGap":-25,"mismatchScore":25,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Littleton is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":43,"cityKey":"north-platte","cityName":"North Platte","regionKey":"nebraska","regionName":"Nebraska","regionAbbr":"NE","country":"usa","countryLabel":"United States","lookupKey":"69101","url":"/planting-dates/nebraska/north-platte/","springFrost":"May 3","fallFrost":"October 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fast warm-season varieties."},{"rank":45,"cityKey":"twin-falls","cityName":"Twin Falls","regionKey":"idaho","regionName":"Idaho","regionAbbr":"ID","country":"usa","countryLabel":"United States","lookupKey":"83301","url":"/planting-dates/idaho/twin-falls/","springFrost":"May 9","fallFrost":"October 4","frostFreeDays":148,"gddBase50":2352,"gddBase45":3267,"gddBase40":4380,"seasonPercentile":47,"heatPercentile":71,"seasonHeatGap":-24,"mismatchScore":24,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Twin Falls is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":46,"cityKey":"fargo","cityName":"Fargo","regionKey":"north-dakota","regionName":"North Dakota","regionAbbr":"ND","country":"usa","countryLabel":"United States","lookupKey":"58102","url":"/planting-dates/north-dakota/fargo/","springFrost":"May 10","fallFrost":"September 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varieties."},{"rank":48,"cityKey":"peterborough","cityName":"Peterborough","regionKey":"ontario","regionName":"Ontario","regionAbbr":"ON","country":"canada","countryLabel":"Canada","lookupKey":"K9J","url":"/planting-dates/canada/ontario/peterborough/","springFrost":"May 16","fallFrost":"September 24","frostFreeDays":131,"gddBase50":1946,"gddBase45":2801,"gddBase40":3777,"seasonPercentile":28,"heatPercentile":52,"seasonHeatGap":-24,"mismatchScore":24,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Peterborough is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":49,"cityKey":"houlton","cityName":"Houlton","regionKey":"maine","regionName":"Maine","regionAbbr":"ME","country":"usa","countryLabel":"United States","lookupKey":"04730","url":"/planting-dates/maine/houlton/","springFrost":"May 19","fallFrost":"September 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varieties."},{"rank":51,"cityKey":"kalispell","cityName":"Kalispell","regionKey":"montana","regionName":"Montana","regionAbbr":"MT","country":"usa","countryLabel":"United States","lookupKey":"59901","url":"/planting-dates/montana/kalispell/","springFrost":"May 31","fallFrost":"September 10","frostFreeDays":102,"gddBase50":1465,"gddBase45":2264,"gddBase40":3215,"seasonPercentile":6,"heatPercentile":30,"seasonHeatGap":-24,"mismatchScore":24,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Kalispell is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":52,"cityKey":"denver","cityName":"Denver","regionKey":"colorado","regionName":"Colorado","regionAbbr":"CO","country":"usa","countryLabel":"United States","lookupKey":"80202","url":"/planting-dates/colorado/denver/","springFrost":"April 30","fallFrost":"October 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warm-season varieties."},{"rank":54,"cityKey":"new-glasgow","cityName":"New Glasgow","regionKey":"nova-scotia","regionName":"Nova Scotia","regionAbbr":"NS","country":"canada","countryLabel":"Canada","lookupKey":"B2H","url":"/planting-dates/canada/nova-scotia/new-glasgow/","springFrost":"June 10","fallFrost":"September 22","frostFreeDays":104,"gddBase50":1448,"gddBase45":2257,"gddBase40":3234,"seasonPercentile":7,"heatPercentile":30,"seasonHeatGap":-23,"mismatchScore":23,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"New Glasgow is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":55,"cityKey":"kearney","cityName":"Kearney","regionKey":"nebraska","regionName":"Nebraska","regionAbbr":"NE","country":"usa","countryLabel":"United States","lookupKey":"68845","url":"/planting-dates/nebraska/kearney/","springFrost":"April 30","fallFrost":"October 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warm-season varieties."},{"rank":57,"cityKey":"owatonna","cityName":"Owatonna","regionKey":"minnesota","regionName":"Minnesota","regionAbbr":"MN","country":"usa","countryLabel":"United States","lookupKey":"55060","url":"/planting-dates/minnesota/owatonna/","springFrost":"May 5","fallFrost":"October 6","frostFreeDays":154,"gddBase50":2448,"gddBase45":3341,"gddBase40":4344,"seasonPercentile":53,"heatPercentile":75,"seasonHeatGap":-22,"mismatchScore":22,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Owatonna is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":58,"cityKey":"aberdeen-sd","cityName":"Aberdeen","regionKey":"south-dakota","regionName":"South Dakota","regionAbbr":"SD","country":"usa","countryLabel":"United States","lookupKey":"57401","url":"/planting-dates/south-dakota/aberdeen-sd/","springFrost":"May 8","fallFrost":"September 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fast warm-season varieties."},{"rank":60,"cityKey":"roseau","cityName":"Roseau","regionKey":"minnesota","regionName":"Minnesota","regionAbbr":"MN","country":"usa","countryLabel":"United States","lookupKey":"56751","url":"/planting-dates/minnesota/roseau/","springFrost":"May 16","fallFrost":"September 24","frostFreeDays":131,"gddBase50":1936,"gddBase45":2758,"gddBase40":3681,"seasonPercentile":28,"heatPercentile":50,"seasonHeatGap":-22,"mismatchScore":22,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Roseau is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":61,"cityKey":"warroad","cityName":"Warroad","regionKey":"minnesota","regionName":"Minnesota","regionAbbr":"MN","country":"usa","countryLabel":"United States","lookupKey":"56763","url":"/planting-dates/minnesota/warroad/","springFrost":"May 16","fallFrost":"September 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and fast warm-season varieties."},{"rank":63,"cityKey":"swan-river","cityName":"Swan River","regionKey":"manitoba","regionName":"Manitoba","regionAbbr":"MB","country":"canada","countryLabel":"Canada","lookupKey":"R0L","url":"/planting-dates/canada/manitoba/swan-river/","springFrost":"June 3","fallFrost":"September 13","frostFreeDays":102,"gddBase50":1411,"gddBase45":2144,"gddBase40":2984,"seasonPercentile":6,"heatPercentile":28,"seasonHeatGap":-22,"mismatchScore":22,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Swan River is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":64,"cityKey":"fort-vermilion","cityName":"Fort Vermilion","regionKey":"alberta","regionName":"Alberta","regionAbbr":"AB","country":"canada","countryLabel":"Canada","lookupKey":"T0H","url":"/planting-dates/canada/alberta/fort-vermilion/","springFrost":"May 30","fallFrost":"September 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warm-season varieties."},{"rank":66,"cityKey":"hays","cityName":"Hays","regionKey":"kansas","regionName":"Kansas","regionAbbr":"KS","country":"usa","countryLabel":"United States","lookupKey":"67601","url":"/planting-dates/kansas/hays/","springFrost":"April 25","fallFrost":"October 15","frostFreeDays":173,"gddBase50":3900,"gddBase45":5029,"gddBase40":6292,"seasonPercentile":76,"heatPercentile":97,"seasonHeatGap":-21,"mismatchScore":21,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Hays is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":67,"cityKey":"loveland","cityName":"Loveland","regionKey":"colorado","regionName":"Colorado","regionAbbr":"CO","country":"usa","countryLabel":"United States","lookupKey":"80537","url":"/planting-dates/colorado/loveland/","springFrost":"May 12","fallFrost":"October 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varieties."},{"rank":69,"cityKey":"hayward-wi","cityName":"Hayward","regionKey":"wisconsin","regionName":"Wisconsin","regionAbbr":"WI","country":"usa","countryLabel":"United States","lookupKey":"54843","url":"/planting-dates/wisconsin/hayward-wi/","springFrost":"May 23","fallFrost":"September 22","frostFreeDays":122,"gddBase50":1726,"gddBase45":2535,"gddBase40":3463,"seasonPercentile":20,"heatPercentile":41,"seasonHeatGap":-21,"mismatchScore":21,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Hayward is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":70,"cityKey":"lincoln","cityName":"Lincoln","regionKey":"nebraska","regionName":"Nebraska","regionAbbr":"NE","country":"usa","countryLabel":"United States","lookupKey":"68508","url":"/planting-dates/nebraska/lincoln/","springFrost":"April 24","fallFrost":"October 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varieties."},{"rank":72,"cityKey":"waterloo-ia","cityName":"Waterloo","regionKey":"iowa","regionName":"Iowa","regionAbbr":"IA","country":"usa","countryLabel":"United States","lookupKey":"50701","url":"/planting-dates/iowa/waterloo-ia/","springFrost":"April 27","fallFrost":"October 10","frostFreeDays":166,"gddBase50":2999,"gddBase45":3985,"gddBase40":5086,"seasonPercentile":69,"heatPercentile":89,"seasonHeatGap":-20,"mismatchScore":20,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Waterloo is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":73,"cityKey":"colorado-springs","cityName":"Colorado Springs","regionKey":"colorado","regionName":"Colorado","regionAbbr":"CO","country":"usa","countryLabel":"United States","lookupKey":"80903","url":"/planting-dates/colorado/colorado-springs/","springFrost":"May 3","fallFrost":"October 8","frostFreeDays":158,"gddBase50":2502,"gddBase45":3457,"gddBase40":4613,"seasonPercentile":57,"heatPercentile":77,"seasonHeatGap":-20,"mismatchScore":20,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Colorado Springs is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":74,"cityKey":"jamestown-nd","cityName":"Jamestown","regionKey":"north-dakota","regionName":"North Dakota","regionAbbr":"ND","country":"usa","countryLabel":"United States","lookupKey":"58401","url":"/planting-dates/north-dakota/jamestown-nd/","springFrost":"May 8","fallFrost":"September 29","frostFreeDays":144,"gddBase50":2197,"gddBase45":3037,"gddBase40":3983,"seasonPercentile":44,"heatPercentile":64,"seasonHeatGap":-20,"mismatchScore":20,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Jamestown is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":75,"cityKey":"timmins","cityName":"Timmins","regionKey":"ontario","regionName":"Ontario","regionAbbr":"ON","country":"canada","countryLabel":"Canada","lookupKey":"P4N","url":"/planting-dates/canada/ontario/timmins/","springFrost":"June 7","fallFrost":"September 7","frostFreeDays":92,"gddBase50":1297,"gddBase45":2058,"gddBase40":2950,"seasonPercentile":3,"heatPercentile":23,"seasonHeatGap":-20,"mismatchScore":20,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Timmins is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":76,"cityKey":"iowa-city","cityName":"Iowa City","regionKey":"iowa","regionName":"Iowa","regionAbbr":"IA","country":"usa","countryLabel":"United States","lookupKey":"52240","url":"/planting-dates/iowa/iowa-city/","springFrost":"April 29","fallFrost":"October 9","frostFreeDays":163,"gddBase50":2756,"gddBase45":3729,"gddBase40":4821,"seasonPercentile":65,"heatPercentile":84,"seasonHeatGap":-19,"mismatchScore":19,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Iowa City is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":77,"cityKey":"battle-creek","cityName":"Battle Creek","regionKey":"michigan","regionName":"Michigan","regionAbbr":"MI","country":"usa","countryLabel":"United States","lookupKey":"49017","url":"/planting-dates/michigan/battle-creek/","springFrost":"May 6","fallFrost":"October 12","frostFreeDays":159,"gddBase50":2498,"gddBase45":3433,"gddBase40":4497,"seasonPercentile":58,"heatPercentile":77,"seasonHeatGap":-19,"mismatchScore":19,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Battle Creek is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":78,"cityKey":"ann-arbor","cityName":"Ann Arbor","regionKey":"michigan","regionName":"Michigan","regionAbbr":"MI","country":"usa","countryLabel":"United States","lookupKey":"48104","url":"/planting-dates/michigan/ann-arbor/","springFrost":"May 5","fallFrost":"October 10","frostFreeDays":158,"gddBase50":2483,"gddBase45":3422,"gddBase40":4492,"seasonPercentile":57,"heatPercentile":76,"seasonHeatGap":-19,"mismatchScore":19,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Ann Arbor is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":79,"cityKey":"moorhead","cityName":"Moorhead","regionKey":"minnesota","regionName":"Minnesota","regionAbbr":"MN","country":"usa","countryLabel":"United States","lookupKey":"56560","url":"/planting-dates/minnesota/moorhead/","springFrost":"May 4","fallFrost":"October 2","frostFreeDays":151,"gddBase50":2299,"gddBase45":3149,"gddBase40":4100,"seasonPercentile":50,"heatPercentile":69,"seasonHeatGap":-19,"mismatchScore":19,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Moorhead is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":80,"cityKey":"watertown-sd","cityName":"Watertown","regionKey":"south-dakota","regionName":"South Dakota","regionAbbr":"SD","country":"usa","countryLabel":"United States","lookupKey":"57201","url":"/planting-dates/south-dakota/watertown-sd/","springFrost":"May 7","fallFrost":"September 30","frostFreeDays":146,"gddBase50":2201,"gddBase45":3045,"gddBase40":3997,"seasonPercentile":46,"heatPercentile":65,"seasonHeatGap":-19,"mismatchScore":19,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Watertown is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":81,"cityKey":"rock-springs","cityName":"Rock Springs","regionKey":"wyoming","regionName":"Wyoming","regionAbbr":"WY","country":"usa","countryLabel":"United States","lookupKey":"82901","url":"/planting-dates/wyoming/rock-springs/","springFrost":"May 22","fallFrost":"September 28","frostFreeDays":129,"gddBase50":1841,"gddBase45":2661,"gddBase40":3640,"seasonPercentile":26,"heatPercentile":45,"seasonHeatGap":-19,"mismatchScore":19,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Rock Springs is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":82,"cityKey":"quesnel","cityName":"Quesnel","regionKey":"british-columbia","regionName":"British Columbia","regionAbbr":"BC","country":"canada","countryLabel":"Canada","lookupKey":"V2J","url":"/planting-dates/canada/british-columbia/quesnel/","springFrost":"May 22","fallFrost":"September 19","frostFreeDays":120,"gddBase50":1610,"gddBase45":2451,"gddBase40":3439,"seasonPercentile":17,"heatPercentile":36,"seasonHeatGap":-19,"mismatchScore":19,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Quesnel is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":83,"cityKey":"alamosa","cityName":"Alamosa","regionKey":"colorado","regionName":"Colorado","regionAbbr":"CO","country":"usa","countryLabel":"United States","lookupKey":"81101","url":"/planting-dates/colorado/alamosa/","springFrost":"May 30","fallFrost":"September 17","frostFreeDays":110,"gddBase50":1434,"gddBase45":2226,"gddBase40":3167,"seasonPercentile":10,"heatPercentile":29,"seasonHeatGap":-19,"mismatchScore":19,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Alamosa is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":84,"cityKey":"lowell","cityName":"Lowell","regionKey":"massachusetts","regionName":"Massachusetts","regionAbbr":"MA","country":"usa","countryLabel":"United States","lookupKey":"01852","url":"/planting-dates/massachusetts/lowell/","springFrost":"April 30","fallFrost":"October 10","frostFreeDays":163,"gddBase50":2703,"gddBase45":3711,"gddBase40":4857,"seasonPercentile":65,"heatPercentile":83,"seasonHeatGap":-18,"mismatchScore":18,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Lowell is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":85,"cityKey":"appleton-wi","cityName":"Appleton","regionKey":"wisconsin","regionName":"Wisconsin","regionAbbr":"WI","country":"usa","countryLabel":"United States","lookupKey":"54911","url":"/planting-dates/wisconsin/appleton-wi/","springFrost":"May 4","fallFrost":"October 6","frostFreeDays":155,"gddBase50":2355,"gddBase45":3244,"gddBase40":4250,"seasonPercentile":54,"heatPercentile":72,"seasonHeatGap":-18,"mismatchScore":18,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Appleton is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":86,"cityKey":"brookings","cityName":"Brookings","regionKey":"south-dakota","regionName":"South Dakota","regionAbbr":"SD","country":"usa","countryLabel":"United States","lookupKey":"57006","url":"/planting-dates/south-dakota/brookings/","springFrost":"May 6","fallFrost":"October 1","frostFreeDays":148,"gddBase50":2212,"gddBase45":3061,"gddBase40":4020,"seasonPercentile":47,"heatPercentile":65,"seasonHeatGap":-18,"mismatchScore":18,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Brookings is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":87,"cityKey":"billings-mt","cityName":"Billings","regionKey":"montana","regionName":"Montana","regionAbbr":"MT","country":"usa","countryLabel":"United States","lookupKey":"59101","url":"/planting-dates/montana/billings-mt/","springFrost":"May 10","fallFrost":"October 1","frostFreeDays":144,"gddBase50":2146,"gddBase45":3025,"gddBase40":4071,"seasonPercentile":44,"heatPercentile":62,"seasonHeatGap":-18,"mismatchScore":18,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Billings is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":88,"cityKey":"hibbing","cityName":"Hibbing","regionKey":"minnesota","regionName":"Minnesota","regionAbbr":"MN","country":"usa","countryLabel":"United States","lookupKey":"55746","url":"/planting-dates/minnesota/hibbing/","springFrost":"June 5","fallFrost":"September 8","frostFreeDays":95,"gddBase50":1185,"gddBase45":1895,"gddBase40":2724,"seasonPercentile":3,"heatPercentile":21,"seasonHeatGap":-18,"mismatchScore":18,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Hibbing is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."},{"rank":89,"cityKey":"thompson","cityName":"Thompson","regionKey":"manitoba","regionName":"Manitoba","regionAbbr":"MB","country":"canada","countryLabel":"Canada","lookupKey":"R8N","url":"/planting-dates/canada/manitoba/thompson/","springFrost":"June 14","fallFrost":"August 28","frostFreeDays":75,"gddBase50":1129,"gddBase45":1786,"gddBase40":2551,"seasonPercentile":1,"heatPercentile":19,"seasonHeatGap":-18,"mismatchScore":18,"label":"Warmer than the calendar suggests","mismatchType":"short-high-gdd","reason":"Thompson is shorter on calendar room than on seasonal heat, which can reward prompt planting and fast warm-season varieties."}]}