Practical planning tools for short growing seasons.
Climate-based pumpkin planting guide for The Pas, Manitoba
When to Plant Pumpkin in The Pas
Pumpkin is possible in The Pas, though this is the kind of crop where planning details matter much more than they do for easier crops.
Typical Planting Window
Borderline in this climate
Use the planting dates below for pumpkin in The Pas.
Optional indoor start
May 3
Typical planting windowJune 2 – June 12
MethodDirect sow or transplant
Typical days to maturity90–110
Pumpkin can usually be started indoors around May 3 or sown directly during the normal local planting window of June 2 to June 12.
Most varieties need about 90–110 days to reach maturity.
Pumpkin can still succeed in The Pas, but the crop usually needs better-than-average planning around timing, variety speed, and site warmth.
The Pas usually offers pumpkin a cooler seasonal setup than many other Manitoba locations.
Best local strategy:
Protect as much early momentum as possible and pair the crop with warm placement and realistic variety choice.
Can Pumpkin Mature in The Pas?
Growing degree days measure how much useful warmth typically accumulates during the season. For pumpkin, this helps estimate whether local heat accumulation is usually enough for the crop to reach maturity on time.
Available GDD (base 50)1105
Typical crop GDD target1300
Heat margin-195
From the usual planting window, The Pas typically provides about 1105 growing degree days for pumpkin. With a typical crop target of 1300, that leaves a heat margin of -195. That narrow heat margin means small delays or slower varieties can quickly reduce the odds of timely maturity.
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
1129
-171
Usually short
Jun 1
1109
-191
Usually short
Jun 15
1017
-283
Usually short
Jul 1
846
-454
Usually short
How Different Pumpkin Varieties Affect Results
In The Pas, very early and early pumpkin 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:
Small Sugar
— a classic pie pumpkin that is one of the more realistic choices where the season is not especially long
Jack Be Little
— a very small ornamental pumpkin that fits better than larger types where gardeners want the safest finish
Best Pumpkin Varieties for The Pas
Very early pumpkin varieties are usually the strongest all-around match in The Pas. The season is tight for pumpkin, so slower varieties spend margin quickly and faster choices usually make the crop more forgiving.
May 24
local season starts
September 22
frost pressure returns
Less heat used1105 GDD available
Hover or tap the dots to see which recommended varieties use that much local heat.
For The Pas, start with Small Sugar and Jack Be Little for pumpkin when you want a practical pie pumpkin for shorter seasons or very small ornamental pumpkins.
Compare each variety’s heat need and maturity timing against the local frost-free window before choosing what to grow.
Recommended starting point
Small SugarVery early
1100 GDD needed1105 available before frost
May 24September 22
Tight fit
Why this fit?
Local season fit:
Small Sugar leaves about 5 GDD cushion against the normal The Pas crop heat estimate.
Best for: reliable pie pumpkins.
A classic pie pumpkin that is one of the more realistic choices where the season is not especially long.
Tradeoff: Smaller and less dramatic than classic large carving pumpkins.
Jack Be LittleVery early
1100 GDD needed1105 available before frost
May 24September 22
Tight fit
Why this fit?
Local season fit:
Jack Be Little leaves about 5 GDD cushion against the normal The Pas crop heat estimate.
Best for: very small ornamental pumpkins.
A tiny ornamental pumpkin that fits better than larger types where gardeners want the safest finish.
Tradeoff: More about appearance and size than substantial eating use.
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 The Pas because they either run past the normal season or leave too little margin before frost.
atlantic giantLate
Needs1450 GDD
The Pas gives1105 GDD
Gap
345 GDD short
1105 GDD available before frost345 more GDD needed
May 24September 22
Runs past season
Why not a main pick?
Local season fit:
atlantic giant usually needs about 345 more GDD than The Pas provides before frost.
Best for: novelty giant pumpkins.
A giant pumpkin that is usually better treated as a stretch choice where heat and season length are generous.
Tradeoff: The riskiest option here for season length and finish.
big maxLate
Needs1450 GDD
The Pas gives1105 GDD
Gap
345 GDD short
1105 GDD available before frost345 more GDD needed
May 24September 22
Runs past season
Why not a main pick?
Local season fit:
big max usually needs about 345 more GDD than The Pas provides before frost.
Best for: large pumpkins.
A large pumpkin that is much more exposed in shorter seasons because it needs a long, warm run.
Tradeoff: Spends much more of the season on size rather than safety.
cinderellaMid-season
Needs1300 GDD
The Pas gives1105 GDD
Gap
195 GDD short
1105 GDD available before frost195 more GDD needed
May 24September 22
Runs past season
Why not a main pick?
Local season fit:
cinderella usually needs about 195 more GDD than The Pas provides before frost.
Best for: specialty shape and display.
A specialty pumpkin chosen for shape and appearance, but it needs more season than the quickest pie types.
Tradeoff: More exposed than the quickest pumpkin choices.
howdenMid-season
Needs1300 GDD
The Pas gives1105 GDD
Gap
195 GDD short
1105 GDD available before frost195 more GDD needed
May 24September 22
Runs past season
Why not a main pick?
Local season fit:
howden usually needs about 195 more GDD than The Pas provides before frost.
Best for: classic jack-o-lantern pumpkins.
A standard carving pumpkin that makes sense when the season has enough room for a more typical finish.
Tradeoff: Needs more season than smaller pie or mini pumpkins.
baby bearEarly
Needs1200 GDD
The Pas gives1105 GDD
Gap
95 GDD short
1105 GDD available before frost95 more GDD needed
May 24September 22
Runs past season
Why not a main pick?
Local season fit:
baby bear usually needs about 95 more GDD than The Pas provides before frost.
Best for: small traditional pumpkins.
A small pumpkin with useful short-season practicality when gardeners still want a traditional pumpkin look.
Tradeoff: Not the choice for very large carving fruit.
winter luxuryEarly
Needs1200 GDD
The Pas gives1105 GDD
Gap
95 GDD short
1105 GDD available before frost95 more GDD needed
May 24September 22
Runs past season
Why not a main pick?
Local season fit:
winter luxury usually needs about 95 more GDD than The Pas provides before frost.
Best for: eating quality and pie use.
A pie pumpkin valued for eating quality, while still being more realistic than large carving pumpkins.
Tradeoff: Chosen more for kitchen use than big display size.
Variety class
Typical days to maturity
Typical GDD need
Local fit
Very early
85–95
1100
Tight
Early
95–100
1200
Tight
Mid-season
100–110
1300
Poor fit
Late
110–120
1450
Poor fit
Main risk: There is not much margin here, so late planting or longer-season pumpkin varieties can easily carry harvest past frost.
How Frost Affects Planting Dates for Pumpkin in The Pas
The Pas usually has about 121 frost-free days, with a typical last spring frost around May 24 and a typical first fall frost around September 22.
Typical last spring frostMay 24
Typical first fall frostSeptember 22
Typical frost-free days121
Minimum safe temperature32°F /
0
°C
Pumpkin is generally
frost-tender
and temperatures below about 32°F (
0
°C) can slow growth or damage plants.
Pumpkin is much more exposed to frost risk, so the frost dates matter as real planting boundaries rather than rough planning markers.
The most common problem is running short on season. Late planting, slower varieties, and cooler exposed sites can turn a possible crop into a disappointing one.
In The Pas, the seasonal margin for pumpkin is tighter before the usual fall frost around September 22, so microclimate matters more than it does for easier crops. Season length is often limited by late spring and an early-closing fall window, especially for warm-season crops. For a better local margin, gardeners usually do best in south-facing walls, raised beds, sheltered backyards, and urban heat pockets. Cooler spots like open windy yards, low frost pockets, and exposed sites that lose heat quickly often make timing tighter. For pumpkin, the best local sites often help the crop get moving earlier and make timing a little more forgiving.
Grow better pumpkin with warm soil and season protection
The most useful supplies are the ones that warm the site, protect early growth, and help the crop avoid losing time.
Start earlier indoors
Long-season crops lose too much time when they start slowly.