Practical planning tools for short growing seasons.
Climate-based bean planting guide for Wasilla, Alaska
When to Plant Beans in Wasilla
Beans are often difficult in Wasilla because the local season is short enough that the crop can easily run out of time or heat before finishing well.
Typical Planting Window
Risky in this climate
Use the planting dates below for beans in Wasilla.
Typical planting windowMay 16 – May 30
MethodDirect sow
Typical days to maturity50–65
Beans are usually sown directly outdoors around May 23, with a typical local planting window of May 16 to May 30.
Most varieties need about 50–65 days to reach maturity.
Beans are usually a higher-risk crop in Wasilla. Success tends to come from careful variety choice and the most favorable microclimates available.
Within Alaska, Wasilla usually gives beans a warmer seasonal setup than many comparable locations, but the overall seasonal margin is still tight.
Best local strategy:
Plant as early as conditions safely allow and use the fastest varieties you can find.
Can Beans Mature in Wasilla?
Growing degree days measure how much useful warmth the season provides. For warm-season crops like beans, GDD helps show whether local heat accumulation is usually strong enough for the crop to grow steadily and finish before fall.
Available GDD (base 50)699
Typical crop GDD target900
Heat margin-201
From the usual planting window, Wasilla typically provides about 699 growing degree days for beans. With a typical crop target of 900, that leaves a heat margin of -201. That heat shortfall means the crop usually needs the fastest approach and the warmest local conditions to have a realistic chance of finishing well.
When Is It Too Late to Plant?
When planting later than usual, this table shows how much growing degree day heat is still available from each point in the season. As planting gets pushed back, the remaining heat drops and the crop becomes less likely to mature on time.
Checkpoint
Remaining GDD
Heat margin
Fit vs typical target
Apr 15
700
-200
Usually short
Jun 1
684
-216
Usually short
Jun 15
618
-282
Usually short
Jul 1
495
-405
Usually short
How Different Bean Varieties Affect Results
In Wasilla, very early bean varieties are usually the safest choice because they leave the least room for the season to turn against you. Slower classes are much less forgiving here.
Varieties that often fit well here include:
Provider
— a dependable early bean often chosen where cool starts and shorter seasons are common
Mascotte
— compact and relatively quick, making it useful where gardeners want a fast return
Best Bean Varieties for Wasilla
Bean variety choice in Wasilla is mostly about bush versus pole habit, harvest speed, pod type, plant size, and how much warm-season runway the crop needs.
May 16
local season starts
September 23
frost pressure returns
Less heat used699 GDD available
Hover or tap the dots to see which recommended varieties use that much local heat.
For Wasilla, Mascotte and Provider
are
the most realistic bean
options
for this short-season fit.
They need
good timing, steady early growth, and realistic expectations.
Compare each variety’s heat need and maturity timing against the local frost-free window before choosing what to grow.
Closest matches for a marginal season
MascotteVery early
725 GDD needed699 available before frost
May 16September 23
Usually too long
Why this fit?
Local season fit:
Mascotte is about 26 GDD short against the normal Wasilla crop heat estimate.
Best for: compact early harvests.
A compact bean that gives gardeners a quicker return and works well where space or season length is limited.
Tradeoff: Not the choice for tall pole-bean production.
ProviderVery early
725 GDD needed699 available before frost
May 16September 23
Usually too long
Why this fit?
Local season fit:
Provider is about 26 GDD short against the normal Wasilla crop heat estimate.
Best for: early reliable beans.
A dependable early bean that is useful where cool starts, variable conditions, or shorter seasons are common.
Tradeoff: Practical more than specialty.
GDD comparisons are a planning shortcut, not a guarantee. Soil, watering, sowing depth, pests, transplant quality, and harvest goals still affect the final result.
Varieties that didn’t make the cut
These varieties are not the main picks for Wasilla because they either run past the normal season or leave too little margin before frost.
fortexLate
Needs1000 GDD
Wasilla gives699 GDD
Gap
301 GDD short
699 GDD available before frost301 more GDD needed
May 16September 23
Runs past season
Why not a main pick?
Local season fit:
fortex usually needs about 301 more GDD than Wasilla provides before frost.
Best for: high-quality long beans.
An excellent-quality pole bean that is generally happier when warmth and season length are less limiting.
Tradeoff: Needs a supportive warm season.
rattlesnakeLate
Needs1000 GDD
Wasilla gives699 GDD
Gap
301 GDD short
699 GDD available before frost301 more GDD needed
May 16September 23
Runs past season
Why not a main pick?
Local season fit:
rattlesnake usually needs about 301 more GDD than Wasilla provides before frost.
Best for: vigorous pole beans.
A vigorous bean that can be productive, but is better where the season leaves a little more room.
Tradeoff: Needs a longer warm run than early bush beans.
scarlet runnerLate
Needs1000 GDD
Wasilla gives699 GDD
Gap
301 GDD short
699 GDD available before frost301 more GDD needed
May 16September 23
Runs past season
Why not a main pick?
Local season fit:
scarlet runner usually needs about 301 more GDD than Wasilla provides before frost.
Best for: showy edible vines.
A showy and productive runner bean that can be more exposed in shorter or cooler seasons.
Tradeoff: More exposed in short or cool seasons.
blue lakeMid-season
Needs900 GDD
Wasilla gives699 GDD
Gap
201 GDD short
699 GDD available before frost201 more GDD needed
May 16September 23
Runs past season
Why not a main pick?
Local season fit:
blue lake usually needs about 201 more GDD than Wasilla provides before frost.
Best for: classic green beans.
A classic bean with strong garden appeal when the warm season comfortably supports it.
Tradeoff: Needs a comfortable warm window.
kentucky wonderMid-season
Needs900 GDD
Wasilla gives699 GDD
Gap
201 GDD short
699 GDD available before frost201 more GDD needed
May 16September 23
Runs past season
Why not a main pick?
Local season fit:
kentucky wonder usually needs about 201 more GDD than Wasilla provides before frost.
Best for: productive pole beans.
A productive, familiar bean that benefits from a decent stretch of warm weather.
Tradeoff: Needs more time and support than bush beans.
roma iiMid-season
Needs900 GDD
Wasilla gives699 GDD
Gap
201 GDD short
699 GDD available before frost201 more GDD needed
May 16September 23
Runs past season
Why not a main pick?
Local season fit:
roma ii usually needs about 201 more GDD than Wasilla provides before frost.
Best for: flat Italian beans.
A reliable Italian-type bean that usually works well when planting is timely and soil is warm.
Tradeoff: Chosen for pod type more than maximum speed.
contenderEarly
Needs800 GDD
Wasilla gives699 GDD
Gap
101 GDD short
699 GDD available before frost101 more GDD needed
May 16September 23
Runs past season
Why not a main pick?
Local season fit:
contender usually needs about 101 more GDD than Wasilla provides before frost.
Best for: steady early beans.
An early bean valued for reliability and practical performance in variable garden conditions.
Tradeoff: Less about novelty and more about reliability.
Variety class
Typical days to maturity
Typical GDD need
Local fit
Very early
45–52
725
Tight
Early
50–55
800
Poor fit
Mid-season
55–65
900
Poor fit
Late
65–75
1000
Poor fit
Main risk: In this location, the season is often too short for the crop to finish well before conditions turn against it.
How Frost Affects Planting Dates for Beans in Wasilla
Wasilla usually has about 130 frost-free days, with a typical last spring frost around May 16 and a typical first fall frost around September 23.
Typical last spring frostMay 16
Typical first fall frostSeptember 23
Typical frost-free days130
Minimum safe temperature32°F /
0
°C
Beans are generally
frost-tender
and temperatures below about 32°F (
0
°C) can slow growth or damage plants.
Beans are much more exposed to frost risk, so the frost dates matter as real planting boundaries rather than rough planning markers.
The crop usually falls short here because the season runs out before it finishes well. Late planting, cool nights, and slower varieties make that problem much worse.
In Wasilla, the seasonal margin for beans is tighter before the usual fall frost around September 23, so microclimate matters more than it does for easier crops. Local gardens do not all warm and cool at the same pace. For a better local margin, gardeners usually do best in south-facing walls, sheltered gardens, raised beds, and sunnier urban lots. Cooler spots like low spots, exposed sites, and shadier yards often make timing tighter. For beans, the biggest payoff is quicker early growth and a little more time to keep pods coming before fall conditions turn.
Grow better beans with warm soil and early protection
The most useful supplies are the ones that warm the soil, protect young plants, and prevent a slow start.
Soil warming
When the crop is tight, warm soil matters before the seed even germinates.
