{"key":"best-canadian-cities-for-tomatoes","title":"Best Canadian Cities for Tomatoes","shortTitle":"Best Canadian Tomato Cities","slug":"best-canadian-cities-for-tomatoes","permalink":"/data/rankings/best-canadian-cities-for-tomatoes/","description":"Canadian cities ranked by outdoor tomato fit.","updated":"2026-05-23","category":"Data ranking","methodology":"Scores use local GDD margin, frost-free season length, delay tolerance, and tomato variety flexibility.","caveat":"Use this as a planning signal, not a guarantee. Microclimates, soil warmth, wind, irrigation, pests, and gardener skill can change real-world results.","top":{"rank":1,"cityKey":"leamington","cityName":"Leamington","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/leamington/tomatoes/","score":100,"label":"Excellent fit","badgeClass":"surplus","reason":"Leamington has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"surplus","frostFreeDays":181,"availableGddFromPlanting":2659,"targetGdd":1200,"gddMargin":1459,"primaryPlantingDate":"05-02","springFrost":"04-25","fallFrost":"10-23","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The usual setbacks here come from management choices rather than from the season itself.","components":{"confidenceBase":86,"marginAdjustment":12,"frostFreeAdjustment":4,"varietyAdjustment":5,"delayAdjustment":3}},"hardest":{"rank":178,"cityKey":"banff","cityName":"Banff","regionKey":"alberta","regionName":"Alberta","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/alberta/banff/tomatoes/","score":0,"label":"Very difficult outdoors","badgeClass":"risky","reason":"Banff is a difficult outdoor tomato location in a typical season without early varieties, warm sites, or protection.","confidence":"risky","frostFreeDays":65,"availableGddFromPlanting":409,"targetGdd":1200,"gddMargin":-791,"primaryPlantingDate":"06-26","springFrost":"06-19","fallFrost":"08-23","fittingVarietyLabels":["Very early"],"bestVarietyLabel":"Very early","mainRiskSentence":"The season often runs out before the crop finishes well.","components":{"confidenceBase":26,"marginAdjustment":-22,"frostFreeAdjustment":-7,"varietyAdjustment":-1,"delayAdjustment":-3}},"entries":[{"rank":1,"cityKey":"leamington","cityName":"Leamington","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/leamington/tomatoes/","score":100,"label":"Excellent fit","badgeClass":"surplus","reason":"Leamington has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"surplus","frostFreeDays":181,"availableGddFromPlanting":2659,"targetGdd":1200,"gddMargin":1459,"primaryPlantingDate":"05-02","springFrost":"04-25","fallFrost":"10-23","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The usual setbacks here come from management choices rather than from the season itself.","components":{"confidenceBase":86,"marginAdjustment":12,"frostFreeAdjustment":4,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":2,"cityKey":"niagara-falls-on","cityName":"Niagara Falls","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/niagara-falls-on/tomatoes/","score":100,"label":"Excellent fit","badgeClass":"surplus","reason":"Niagara Falls has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"surplus","frostFreeDays":161,"availableGddFromPlanting":2625,"targetGdd":1200,"gddMargin":1425,"primaryPlantingDate":"05-13","springFrost":"05-06","fallFrost":"10-14","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"When this crop disappoints here, the problem is usually practical rather than climatic. Timing, steady growth, and harvest stage matter more than season length.","components":{"confidenceBase":86,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":3,"cityKey":"windsor-on","cityName":"Windsor","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/windsor-on/tomatoes/","score":100,"label":"Excellent fit","badgeClass":"surplus","reason":"Windsor has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"surplus","frostFreeDays":198,"availableGddFromPlanting":2593,"targetGdd":1200,"gddMargin":1393,"primaryPlantingDate":"04-24","springFrost":"04-17","fallFrost":"11-01","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The usual setbacks here come from management choices rather than from the season itself.","components":{"confidenceBase":86,"marginAdjustment":12,"frostFreeAdjustment":4,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":4,"cityKey":"richmond-hill","cityName":"Richmond Hill","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/richmond-hill/tomatoes/","score":100,"label":"Excellent fit","badgeClass":"surplus","reason":"Richmond Hill has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"surplus","frostFreeDays":163,"availableGddFromPlanting":2507,"targetGdd":1200,"gddMargin":1307,"primaryPlantingDate":"05-10","springFrost":"05-03","fallFrost":"10-13","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The usual setbacks here come from management choices rather than from the season itself.","components":{"confidenceBase":86,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":5,"cityKey":"markham","cityName":"Markham","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/markham/tomatoes/","score":100,"label":"Excellent fit","badgeClass":"surplus","reason":"Markham has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"surplus","frostFreeDays":163,"availableGddFromPlanting":2507,"targetGdd":1200,"gddMargin":1307,"primaryPlantingDate":"05-10","springFrost":"05-03","fallFrost":"10-13","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The usual setbacks here come from management choices rather than from the season itself.","components":{"confidenceBase":86,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":6,"cityKey":"chatham-kent","cityName":"Chatham-Kent","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/chatham-kent/tomatoes/","score":100,"label":"Excellent fit","badgeClass":"surplus","reason":"Chatham-Kent has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"surplus","frostFreeDays":149,"availableGddFromPlanting":2380,"targetGdd":1200,"gddMargin":1180,"primaryPlantingDate":"05-17","springFrost":"05-10","fallFrost":"10-06","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The usual setbacks here come from management choices rather than from the season itself.","components":{"confidenceBase":86,"marginAdjustment":12,"frostFreeAdjustment":0,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":7,"cityKey":"oakville","cityName":"Oakville","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/oakville/tomatoes/","score":100,"label":"Excellent fit","badgeClass":"surplus","reason":"Oakville has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"surplus","frostFreeDays":164,"availableGddFromPlanting":2365,"targetGdd":1200,"gddMargin":1165,"primaryPlantingDate":"05-08","springFrost":"05-01","fallFrost":"10-12","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The most common issue here is not climate but management: uneven growth, delayed planting, or harvesting outside the best quality window.","components":{"confidenceBase":86,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":8,"cityKey":"aurora-on","cityName":"Aurora","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/aurora-on/tomatoes/","score":100,"label":"Excellent fit","badgeClass":"surplus","reason":"Aurora has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"surplus","frostFreeDays":163,"availableGddFromPlanting":2362,"targetGdd":1200,"gddMargin":1162,"primaryPlantingDate":"05-10","springFrost":"05-03","fallFrost":"10-13","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"When this crop disappoints here, the problem is usually practical rather than climatic. Timing, steady growth, and harvest stage matter more than season length.","components":{"confidenceBase":86,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":9,"cityKey":"brantford","cityName":"Brantford","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/brantford/tomatoes/","score":100,"label":"Excellent fit","badgeClass":"surplus","reason":"Brantford has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"surplus","frostFreeDays":164,"availableGddFromPlanting":2352,"targetGdd":1200,"gddMargin":1152,"primaryPlantingDate":"05-08","springFrost":"05-01","fallFrost":"10-12","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The usual setbacks here come from management choices rather than from the season itself.","components":{"confidenceBase":86,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":10,"cityKey":"cornwall-on","cityName":"Cornwall","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/cornwall-on/tomatoes/","score":100,"label":"Excellent fit","badgeClass":"surplus","reason":"Cornwall has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"surplus","frostFreeDays":162,"availableGddFromPlanting":2347,"targetGdd":1200,"gddMargin":1147,"primaryPlantingDate":"05-05","springFrost":"04-28","fallFrost":"10-07","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"When this crop disappoints here, the problem is usually practical rather than climatic. Timing, steady growth, and harvest stage matter more than season length.","components":{"confidenceBase":86,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":11,"cityKey":"st-catharines","cityName":"St. Catharines","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/st-catharines/tomatoes/","score":100,"label":"Excellent fit","badgeClass":"surplus","reason":"St. Catharines has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"surplus","frostFreeDays":161,"availableGddFromPlanting":2288,"targetGdd":1200,"gddMargin":1088,"primaryPlantingDate":"05-13","springFrost":"05-06","fallFrost":"10-14","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The usual setbacks here come from management choices rather than from the season itself.","components":{"confidenceBase":86,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":12,"cityKey":"whitby","cityName":"Whitby","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/whitby/tomatoes/","score":100,"label":"Excellent fit","badgeClass":"surplus","reason":"Whitby has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"surplus","frostFreeDays":168,"availableGddFromPlanting":2248,"targetGdd":1200,"gddMargin":1048,"primaryPlantingDate":"05-07","springFrost":"04-30","fallFrost":"10-15","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The most common issue here is not climate but management: uneven growth, delayed planting, or harvesting outside the best quality window.","components":{"confidenceBase":86,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":13,"cityKey":"ottawa","cityName":"Ottawa","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/ottawa/tomatoes/","score":100,"label":"Excellent fit","badgeClass":"surplus","reason":"Ottawa has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"surplus","frostFreeDays":159,"availableGddFromPlanting":2202,"targetGdd":1200,"gddMargin":1002,"primaryPlantingDate":"05-07","springFrost":"04-30","fallFrost":"10-06","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The usual setbacks here come from management choices rather than from the season itself.","components":{"confidenceBase":86,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":14,"cityKey":"vancouver","cityName":"Vancouver","regionKey":"british-columbia","regionName":"British Columbia","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/british-columbia/vancouver/tomatoes/","score":99,"label":"Excellent fit","badgeClass":"strong","reason":"Vancouver has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":236,"availableGddFromPlanting":1938,"targetGdd":1200,"gddMargin":738,"primaryPlantingDate":"03-26","springFrost":"03-19","fallFrost":"11-10","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"When this crop underperforms in Vancouver, the culprit is usually timing or variety choice rather than the climate itself.","components":{"confidenceBase":76,"marginAdjustment":10,"frostFreeAdjustment":5,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":15,"cityKey":"burnaby","cityName":"Burnaby","regionKey":"british-columbia","regionName":"British Columbia","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/british-columbia/burnaby/tomatoes/","score":99,"label":"Excellent fit","badgeClass":"strong","reason":"Burnaby has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":236,"availableGddFromPlanting":1938,"targetGdd":1200,"gddMargin":738,"primaryPlantingDate":"03-26","springFrost":"03-19","fallFrost":"11-10","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The most common problems here are practical ones: planting too late, losing momentum early, or choosing varieties that ask for more season than necessary.","components":{"confidenceBase":76,"marginAdjustment":10,"frostFreeAdjustment":5,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":16,"cityKey":"nanaimo","cityName":"Nanaimo","regionKey":"british-columbia","regionName":"British Columbia","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/british-columbia/nanaimo/tomatoes/","score":99,"label":"Excellent fit","badgeClass":"strong","reason":"Nanaimo has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":236,"availableGddFromPlanting":1926,"targetGdd":1200,"gddMargin":726,"primaryPlantingDate":"03-26","springFrost":"03-19","fallFrost":"11-10","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"When this crop underperforms in Nanaimo, the culprit is usually timing or variety choice rather than the climate itself.","components":{"confidenceBase":76,"marginAdjustment":10,"frostFreeAdjustment":5,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":17,"cityKey":"toronto","cityName":"Toronto","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/toronto/tomatoes/","score":98,"label":"Excellent fit","badgeClass":"strong","reason":"Toronto has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":176,"availableGddFromPlanting":2166,"targetGdd":1200,"gddMargin":966,"primaryPlantingDate":"05-04","springFrost":"04-27","fallFrost":"10-20","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The usual setback here is giving away seasonal margin through late planting, slow early growth, or slower variety choice than the crop really needs.","components":{"confidenceBase":76,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":18,"cityKey":"mississauga","cityName":"Mississauga","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/mississauga/tomatoes/","score":98,"label":"Excellent fit","badgeClass":"strong","reason":"Mississauga has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":176,"availableGddFromPlanting":2166,"targetGdd":1200,"gddMargin":966,"primaryPlantingDate":"05-04","springFrost":"04-27","fallFrost":"10-20","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The most common problems here are practical ones: planting too late, losing momentum early, or choosing varieties that ask for more season than necessary.","components":{"confidenceBase":76,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":19,"cityKey":"welland","cityName":"Welland","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/welland/tomatoes/","score":98,"label":"Excellent fit","badgeClass":"strong","reason":"Welland has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":161,"availableGddFromPlanting":2158,"targetGdd":1200,"gddMargin":958,"primaryPlantingDate":"05-13","springFrost":"05-06","fallFrost":"10-14","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The most common problems here are practical ones: planting too late, losing momentum early, or choosing varieties that ask for more season than necessary.","components":{"confidenceBase":76,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":20,"cityKey":"vaughan","cityName":"Vaughan","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/vaughan/tomatoes/","score":98,"label":"Excellent fit","badgeClass":"strong","reason":"Vaughan has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":163,"availableGddFromPlanting":2154,"targetGdd":1200,"gddMargin":954,"primaryPlantingDate":"05-10","springFrost":"05-03","fallFrost":"10-13","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The most common problems here are practical ones: planting too late, losing momentum early, or choosing varieties that ask for more season than necessary.","components":{"confidenceBase":76,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":21,"cityKey":"burlington-on","cityName":"Burlington","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/burlington-on/tomatoes/","score":98,"label":"Excellent fit","badgeClass":"strong","reason":"Burlington has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":164,"availableGddFromPlanting":2145,"targetGdd":1200,"gddMargin":945,"primaryPlantingDate":"05-08","springFrost":"05-01","fallFrost":"10-12","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The most common problems here are practical ones: planting too late, losing momentum early, or choosing varieties that ask for more season than necessary.","components":{"confidenceBase":76,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":22,"cityKey":"london-on","cityName":"London","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/london-on/tomatoes/","score":98,"label":"Excellent fit","badgeClass":"strong","reason":"London has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":166,"availableGddFromPlanting":2113,"targetGdd":1200,"gddMargin":913,"primaryPlantingDate":"05-10","springFrost":"05-03","fallFrost":"10-16","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"When this crop underperforms in London, the culprit is usually timing or variety choice rather than the climate itself.","components":{"confidenceBase":76,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":23,"cityKey":"montreal","cityName":"Montreal","regionKey":"quebec","regionName":"Quebec","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/quebec/montreal/tomatoes/","score":98,"label":"Excellent fit","badgeClass":"strong","reason":"Montreal has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":168,"availableGddFromPlanting":2108,"targetGdd":1200,"gddMargin":908,"primaryPlantingDate":"05-06","springFrost":"04-29","fallFrost":"10-14","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The most common problems here are practical ones: planting too late, losing momentum early, or choosing varieties that ask for more season than necessary.","components":{"confidenceBase":76,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":24,"cityKey":"penticton","cityName":"Penticton","regionKey":"british-columbia","regionName":"British Columbia","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/british-columbia/penticton/tomatoes/","score":98,"label":"Excellent fit","badgeClass":"strong","reason":"Penticton has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":161,"availableGddFromPlanting":2083,"targetGdd":1200,"gddMargin":883,"primaryPlantingDate":"05-07","springFrost":"04-30","fallFrost":"10-08","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The most common problems here are practical ones: planting too late, losing momentum early, or choosing varieties that ask for more season than necessary.","components":{"confidenceBase":76,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":25,"cityKey":"hamilton-on","cityName":"Hamilton","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/hamilton-on/tomatoes/","score":98,"label":"Excellent fit","badgeClass":"strong","reason":"Hamilton has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":164,"availableGddFromPlanting":2069,"targetGdd":1200,"gddMargin":869,"primaryPlantingDate":"05-08","springFrost":"05-01","fallFrost":"10-12","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"When this crop underperforms in Hamilton, the culprit is usually timing or variety choice rather than the climate itself.","components":{"confidenceBase":76,"marginAdjustment":12,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":26,"cityKey":"milton-on","cityName":"Milton","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/milton-on/tomatoes/","score":98,"label":"Excellent fit","badgeClass":"strong","reason":"Milton has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":164,"availableGddFromPlanting":2069,"targetGdd":1200,"gddMargin":869,"primaryPlantingDate":"05-08","springFrost":"05-01","fallFrost":"10-12","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"When this crop underperforms in Milton, the culprit is usually timing or variety choice rather than the climate 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itself.","components":{"confidenceBase":76,"marginAdjustment":10,"frostFreeAdjustment":2,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":48,"cityKey":"chilliwack","cityName":"Chilliwack","regionKey":"british-columbia","regionName":"British Columbia","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/british-columbia/chilliwack/tomatoes/","score":96,"label":"Excellent fit","badgeClass":"strong","reason":"Chilliwack has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":218,"availableGddFromPlanting":1510,"targetGdd":1200,"gddMargin":310,"primaryPlantingDate":"04-10","springFrost":"04-03","fallFrost":"11-07","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"When this crop underperforms in Chilliwack, the culprit is usually timing or variety choice rather than the climate itself.","components":{"confidenceBase":76,"marginAdjustment":7,"frostFreeAdjustment":5,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":49,"cityKey":"port-alberni","cityName":"Port Alberni","regionKey":"british-columbia","regionName":"British Columbia","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/british-columbia/port-alberni/tomatoes/","score":96,"label":"Excellent fit","badgeClass":"strong","reason":"Port Alberni has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":219,"availableGddFromPlanting":1468,"targetGdd":1200,"gddMargin":268,"primaryPlantingDate":"04-08","springFrost":"04-01","fallFrost":"11-06","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"When this crop underperforms in Port Alberni, the culprit is usually timing or variety choice rather than the climate itself.","components":{"confidenceBase":76,"marginAdjustment":7,"frostFreeAdjustment":5,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":50,"cityKey":"halifax","cityName":"Halifax","regionKey":"nova-scotia","regionName":"Nova Scotia","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/nova-scotia/halifax/tomatoes/","score":95,"label":"Excellent fit","badgeClass":"strong","reason":"Halifax has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":182,"availableGddFromPlanting":1549,"targetGdd":1200,"gddMargin":349,"primaryPlantingDate":"05-07","springFrost":"04-30","fallFrost":"10-29","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"When this crop underperforms in Halifax, the culprit is usually timing or variety choice rather than the climate itself.","components":{"confidenceBase":76,"marginAdjustment":7,"frostFreeAdjustment":4,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":51,"cityKey":"saint-hyacinthe","cityName":"Saint-Hyacinthe","regionKey":"quebec","regionName":"Quebec","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/quebec/saint-hyacinthe/tomatoes/","score":94,"label":"Excellent fit","badgeClass":"strong","reason":"Saint-Hyacinthe has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":138,"availableGddFromPlanting":1916,"targetGdd":1200,"gddMargin":716,"primaryPlantingDate":"05-19","springFrost":"05-12","fallFrost":"09-27","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"The usual setback here is giving away seasonal margin through late planting, slow early growth, or slower variety choice than the crop really 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needs.","components":{"confidenceBase":76,"marginAdjustment":10,"frostFreeAdjustment":0,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":53,"cityKey":"repentigny","cityName":"Repentigny","regionKey":"quebec","regionName":"Quebec","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/quebec/repentigny/tomatoes/","score":94,"label":"Excellent fit","badgeClass":"strong","reason":"Repentigny has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":138,"availableGddFromPlanting":1871,"targetGdd":1200,"gddMargin":671,"primaryPlantingDate":"05-19","springFrost":"05-12","fallFrost":"09-27","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"When this crop underperforms in Repentigny, the culprit is usually timing or variety choice rather than the climate itself.","components":{"confidenceBase":76,"marginAdjustment":10,"frostFreeAdjustment":0,"varietyAdjustment":5,"delayAdjustment":3}},{"rank":54,"cityKey":"orillia","cityName":"Orillia","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/orillia/tomatoes/","score":94,"label":"Excellent fit","badgeClass":"strong","reason":"Orillia has a large tomato heat margin, making outdoor tomatoes a realistic crop in a typical season.","confidence":"strong","frostFreeDays":142,"availableGddFromPlanting":1853,"targetGdd":1200,"gddMargin":653,"primaryPlantingDate":"05-23","springFrost":"05-16","fallFrost":"10-05","fittingVarietyLabels":["Very early","Early","Mid-season","Late"],"bestVarietyLabel":"Late","mainRiskSentence":"When this crop underperforms in Orillia, the culprit is usually timing or variety choice rather than the climate 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The typical GDD margin is negative, so early varieties and good timing matter.","confidence":"borderline","frostFreeDays":117,"availableGddFromPlanting":1138,"targetGdd":1200,"gddMargin":-62,"primaryPlantingDate":"05-28","springFrost":"05-21","fallFrost":"09-15","fittingVarietyLabels":["Very early","Early"],"bestVarietyLabel":"Early","mainRiskSentence":"Delays in planting or slower tomato varieties can quickly push maturity past fall frost.","components":{"confidenceBase":48,"marginAdjustment":-5,"frostFreeAdjustment":-3,"varietyAdjustment":2,"delayAdjustment":0}},{"rank":117,"cityKey":"corner-brook","cityName":"Corner Brook","regionKey":"newfoundland-and-labrador","regionName":"Newfoundland and Labrador","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/newfoundland-and-labrador/corner-brook/tomatoes/","score":42,"label":"Borderline fit","badgeClass":"borderline","reason":"Corner Brook is a borderline tomato location. The typical GDD margin is negative, so early varieties and good timing matter.","confidence":"borderline","frostFreeDays":102,"availableGddFromPlanting":1088,"targetGdd":1200,"gddMargin":-112,"primaryPlantingDate":"06-17","springFrost":"06-10","fallFrost":"09-20","fittingVarietyLabels":["Very early","Early"],"bestVarietyLabel":"Early","mainRiskSentence":"This is close enough that any delay in planting, or any extra days to maturity, can be the difference between finishing and falling short before frost.","components":{"confidenceBase":48,"marginAdjustment":-5,"frostFreeAdjustment":-3,"varietyAdjustment":2,"delayAdjustment":0}},{"rank":118,"cityKey":"humboldt-sk","cityName":"Humboldt","regionKey":"saskatchewan","regionName":"Saskatchewan","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/saskatchewan/humboldt-sk/tomatoes/","score":42,"label":"Borderline fit","badgeClass":"borderline","reason":"Humboldt is a borderline tomato location. 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typical season without early varieties, warm sites, or protection.","confidence":"borderline","frostFreeDays":110,"availableGddFromPlanting":1047,"targetGdd":1200,"gddMargin":-153,"primaryPlantingDate":"06-02","springFrost":"05-26","fallFrost":"09-13","fittingVarietyLabels":["Very early","Early"],"bestVarietyLabel":"Early","mainRiskSentence":"There is not much margin here, so late planting or longer-season tomato varieties can easily carry harvest past frost.","components":{"confidenceBase":48,"marginAdjustment":-10,"frostFreeAdjustment":-3,"varietyAdjustment":2,"delayAdjustment":0}},{"rank":126,"cityKey":"thunder-bay","cityName":"Thunder Bay","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/thunder-bay/tomatoes/","score":37,"label":"Difficult outdoor fit","badgeClass":"borderline","reason":"Thunder Bay is a difficult outdoor tomato location in a typical season without early varieties, warm 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protection.","confidence":"borderline","frostFreeDays":108,"availableGddFromPlanting":1025,"targetGdd":1200,"gddMargin":-175,"primaryPlantingDate":"06-07","springFrost":"05-31","fallFrost":"09-16","fittingVarietyLabels":["Very early","Early"],"bestVarietyLabel":"Early","mainRiskSentence":"Delays in planting or slower tomato varieties can quickly push maturity past fall frost.","components":{"confidenceBase":48,"marginAdjustment":-10,"frostFreeAdjustment":-3,"varietyAdjustment":2,"delayAdjustment":0}},{"rank":128,"cityKey":"chapleau","cityName":"Chapleau","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/chapleau/tomatoes/","score":37,"label":"Difficult outdoor fit","badgeClass":"borderline","reason":"Chapleau is a difficult outdoor tomato location in a typical season without early varieties, warm sites, or protection.","confidence":"borderline","frostFreeDays":112,"availableGddFromPlanting":1007,"targetGdd":1200,"gddMargin":-193,"primaryPlantingDate":"06-05","springFrost":"05-29","fallFrost":"09-18","fittingVarietyLabels":["Very early","Early"],"bestVarietyLabel":"Early","mainRiskSentence":"There is not much margin here, so late planting or longer-season tomato varieties can easily carry harvest past frost.","components":{"confidenceBase":48,"marginAdjustment":-10,"frostFreeAdjustment":-3,"varietyAdjustment":2,"delayAdjustment":0}},{"rank":129,"cityKey":"timmins","cityName":"Timmins","regionKey":"ontario","regionName":"Ontario","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/ontario/timmins/tomatoes/","score":33,"label":"Difficult outdoor fit","badgeClass":"borderline","reason":"Timmins is a difficult outdoor tomato location in a typical season without early varieties, warm sites, or protection.","confidence":"borderline","frostFreeDays":92,"availableGddFromPlanting":1018,"targetGdd":1200,"gddMargin":-182,"primaryPlantingDate":"06-14","springFrost":"06-07","fallFrost":"09-07","fittingVarietyLabels":["Very early","Early"],"bestVarietyLabel":"Early","mainRiskSentence":"There is not much margin here, so late planting or longer-season tomato varieties can easily carry harvest past frost.","components":{"confidenceBase":48,"marginAdjustment":-10,"frostFreeAdjustment":-7,"varietyAdjustment":2,"delayAdjustment":0}},{"rank":130,"cityKey":"terrace","cityName":"Terrace","regionKey":"british-columbia","regionName":"British Columbia","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/british-columbia/terrace/tomatoes/","score":17,"label":"Very difficult outdoors","badgeClass":"risky","reason":"Terrace is a difficult outdoor tomato location in a typical season without early varieties, warm sites, or protection.","confidence":"risky","frostFreeDays":175,"availableGddFromPlanting":992,"targetGdd":1200,"gddMargin":-208,"primaryPlantingDate":"05-02","springFrost":"04-25","fallFrost":"10-17","fittingVarietyLabels":["Very early"],"bestVarietyLabel":"Very early","mainRiskSentence":"In this location, the season is often too short for the crop to finish well before conditions turn against it.","components":{"confidenceBase":26,"marginAdjustment":-10,"frostFreeAdjustment":2,"varietyAdjustment":-1,"delayAdjustment":0}},{"rank":131,"cityKey":"cold-lake","cityName":"Cold Lake","regionKey":"alberta","regionName":"Alberta","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/alberta/cold-lake/tomatoes/","score":15,"label":"Very difficult outdoors","badgeClass":"risky","reason":"Cold Lake is a difficult outdoor tomato location in a typical season without early varieties, warm sites, or protection.","confidence":"risky","frostFreeDays":120,"availableGddFromPlanting":993,"targetGdd":1200,"gddMargin":-207,"primaryPlantingDate":"05-26","springFrost":"05-19","fallFrost":"09-16","fittingVarietyLabels":["Very early"],"bestVarietyLabel":"Very early","mainRiskSentence":"The main issue here is usually simple season length: the crop often runs out of time before finishing properly.","components":{"confidenceBase":26,"marginAdjustment":-10,"frostFreeAdjustment":0,"varietyAdjustment":-1,"delayAdjustment":0}},{"rank":132,"cityKey":"fort-nelson","cityName":"Fort Nelson","regionKey":"british-columbia","regionName":"British Columbia","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/british-columbia/fort-nelson/tomatoes/","score":12,"label":"Very difficult outdoors","badgeClass":"risky","reason":"Fort Nelson is a difficult outdoor tomato location in a typical season without early varieties, warm sites, or protection.","confidence":"risky","frostFreeDays":122,"availableGddFromPlanting":955,"targetGdd":1200,"gddMargin":-245,"primaryPlantingDate":"05-22","springFrost":"05-15","fallFrost":"09-14","fittingVarietyLabels":["Very early"],"bestVarietyLabel":"Very early","mainRiskSentence":"The main issue here is usually simple season length: the crop often runs out of time before finishing properly.","components":{"confidenceBase":26,"marginAdjustment":-10,"frostFreeAdjustment":0,"varietyAdjustment":-1,"delayAdjustment":-3}},{"rank":133,"cityKey":"airdrie","cityName":"Airdrie","regionKey":"alberta","regionName":"Alberta","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/alberta/airdrie/tomatoes/","score":12,"label":"Very difficult outdoors","badgeClass":"risky","reason":"Airdrie is a difficult outdoor tomato location in a typical season without early varieties, warm sites, or protection.","confidence":"risky","frostFreeDays":120,"availableGddFromPlanting":952,"targetGdd":1200,"gddMargin":-248,"primaryPlantingDate":"05-28","springFrost":"05-21","fallFrost":"09-18","fittingVarietyLabels":["Very early"],"bestVarietyLabel":"Very early","mainRiskSentence":"In this location, the season is often too short for the crop to finish well before conditions turn against it.","components":{"confidenceBase":26,"marginAdjustment":-10,"frostFreeAdjustment":0,"varietyAdjustment":-1,"delayAdjustment":-3}},{"rank":134,"cityKey":"cochrane-ab","cityName":"Cochrane","regionKey":"alberta","regionName":"Alberta","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/alberta/cochrane-ab/tomatoes/","score":12,"label":"Very difficult outdoors","badgeClass":"risky","reason":"Cochrane is a difficult outdoor tomato location in a typical season without early varieties, warm sites, or 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protection.","confidence":"risky","frostFreeDays":141,"availableGddFromPlanting":921,"targetGdd":1200,"gddMargin":-279,"primaryPlantingDate":"05-14","springFrost":"05-07","fallFrost":"09-25","fittingVarietyLabels":["Very early"],"bestVarietyLabel":"Very early","mainRiskSentence":"The season often runs out before the crop finishes well.","components":{"confidenceBase":26,"marginAdjustment":-10,"frostFreeAdjustment":0,"varietyAdjustment":-1,"delayAdjustment":-3}},{"rank":136,"cityKey":"st-albert","cityName":"St. Albert","regionKey":"alberta","regionName":"Alberta","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/alberta/st-albert/tomatoes/","score":12,"label":"Very difficult outdoors","badgeClass":"risky","reason":"St. Albert is a difficult outdoor tomato location in a typical season without early varieties, warm sites, or 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protection.","confidence":"risky","frostFreeDays":142,"availableGddFromPlanting":915,"targetGdd":1200,"gddMargin":-285,"primaryPlantingDate":"06-07","springFrost":"05-31","fallFrost":"10-20","fittingVarietyLabels":["Very early"],"bestVarietyLabel":"Very early","mainRiskSentence":"In this location, the season is often too short for the crop to finish well before conditions turn against it.","components":{"confidenceBase":26,"marginAdjustment":-10,"frostFreeAdjustment":0,"varietyAdjustment":-1,"delayAdjustment":-3}},{"rank":138,"cityKey":"calgary","cityName":"Calgary","regionKey":"alberta","regionName":"Alberta","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/alberta/calgary/tomatoes/","score":12,"label":"Very difficult outdoors","badgeClass":"risky","reason":"Calgary is a difficult outdoor tomato location in a typical season without early varieties, warm sites, or protection.","confidence":"risky","frostFreeDays":120,"availableGddFromPlanting":891,"targetGdd":1200,"gddMargin":-309,"primaryPlantingDate":"05-28","springFrost":"05-21","fallFrost":"09-18","fittingVarietyLabels":["Very early"],"bestVarietyLabel":"Very early","mainRiskSentence":"In this location, the season is often too short for the crop to finish well before conditions turn against it.","components":{"confidenceBase":26,"marginAdjustment":-10,"frostFreeAdjustment":0,"varietyAdjustment":-1,"delayAdjustment":-3}},{"rank":139,"cityKey":"fort-st-john","cityName":"Fort St. John","regionKey":"british-columbia","regionName":"British Columbia","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/british-columbia/fort-st-john/tomatoes/","score":12,"label":"Very difficult outdoors","badgeClass":"risky","reason":"Fort St. John is a difficult outdoor tomato location in a typical season without early varieties, warm sites, or protection.","confidence":"risky","frostFreeDays":127,"availableGddFromPlanting":860,"targetGdd":1200,"gddMargin":-340,"primaryPlantingDate":"05-19","springFrost":"05-12","fallFrost":"09-16","fittingVarietyLabels":["Very early"],"bestVarietyLabel":"Very early","mainRiskSentence":"In this location, the season is often too short for the crop to finish well before conditions turn against it.","components":{"confidenceBase":26,"marginAdjustment":-10,"frostFreeAdjustment":0,"varietyAdjustment":-1,"delayAdjustment":-3}},{"rank":140,"cityKey":"swan-river","cityName":"Swan River","regionKey":"manitoba","regionName":"Manitoba","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/manitoba/swan-river/tomatoes/","score":9,"label":"Very difficult outdoors","badgeClass":"risky","reason":"Swan River is a difficult outdoor tomato location in a typical season without early varieties, warm sites, or 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protection.","confidence":"risky","frostFreeDays":98,"availableGddFromPlanting":570,"targetGdd":1200,"gddMargin":-630,"primaryPlantingDate":"06-14","springFrost":"06-07","fallFrost":"09-13","fittingVarietyLabels":["Very early"],"bestVarietyLabel":"Very early","mainRiskSentence":"The main issue here is usually simple season length: the crop often runs out of time before finishing properly.","components":{"confidenceBase":26,"marginAdjustment":-22,"frostFreeAdjustment":-3,"varietyAdjustment":-1,"delayAdjustment":-3}},{"rank":174,"cityKey":"hay-river","cityName":"Hay River","regionKey":"northwest-territories","regionName":"Northwest Territories","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/northwest-territories/hay-river/tomatoes/","score":0,"label":"Very difficult outdoors","badgeClass":"risky","reason":"Hay River is a difficult outdoor tomato location in a typical season without early varieties, warm sites, or protection.","confidence":"risky","frostFreeDays":65,"availableGddFromPlanting":564,"targetGdd":1200,"gddMargin":-636,"primaryPlantingDate":"06-27","springFrost":"06-20","fallFrost":"08-24","fittingVarietyLabels":["Very early"],"bestVarietyLabel":"Very early","mainRiskSentence":"In this location, the season is often too short for the crop to finish well before conditions turn against it.","components":{"confidenceBase":26,"marginAdjustment":-22,"frostFreeAdjustment":-7,"varietyAdjustment":-1,"delayAdjustment":-3}},{"rank":175,"cityKey":"rocky-mountain-house","cityName":"Rocky Mountain House","regionKey":"alberta","regionName":"Alberta","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/alberta/rocky-mountain-house/tomatoes/","score":0,"label":"Very difficult outdoors","badgeClass":"risky","reason":"Rocky Mountain House is a difficult outdoor tomato location in a typical season without early varieties, warm sites, or 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protection.","confidence":"risky","frostFreeDays":65,"availableGddFromPlanting":409,"targetGdd":1200,"gddMargin":-791,"primaryPlantingDate":"06-26","springFrost":"06-19","fallFrost":"08-23","fittingVarietyLabels":["Very early"],"bestVarietyLabel":"Very early","mainRiskSentence":"The main issue here is usually simple season length: the crop often runs out of time before finishing properly.","components":{"confidenceBase":26,"marginAdjustment":-22,"frostFreeAdjustment":-7,"varietyAdjustment":-1,"delayAdjustment":-3}},{"rank":178,"cityKey":"banff","cityName":"Banff","regionKey":"alberta","regionName":"Alberta","country":"canada","cropKey":"tomatoes","cropName":"Tomatoes","url":"/planting-dates/canada/alberta/banff/tomatoes/","score":0,"label":"Very difficult outdoors","badgeClass":"risky","reason":"Banff is a difficult outdoor tomato location in a typical season without early varieties, warm sites, or 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