Practical planning tools for short growing seasons.
Climate-based cabbage planting guide for Moosonee, Ontario
When to Plant Cabbage in Moosonee
Cabbage is usually a dependable crop in Moosonee. The season is supportive enough that gardeners usually have real flexibility in timing and variety choice, including very early to late varieties.
Typical Planting Window
Strong fit in this climate
Use the planting dates below for cabbage in Moosonee.
Start indoors
April 9
Typical planting windowMay 21 – June 4
MethodTransplant
Typical days to maturity70–90
Cabbage is usually started indoors around April 9 and planted outdoors during the normal local window of May 21 to June 4.
Most varieties need about 70–90 days to reach maturity once they are in the garden.
Cabbage is usually a dependable choice in Moosonee. The season is supportive enough that gardeners usually have options instead of feeling pushed into only the quickest path.
The season is usually supportive here, but it still pays to protect uninterrupted growth because the climate does not erase setbacks that affect sizing and finish.
Best local strategy:
Plant on time, choose the varieties you actually want, and focus on steady growth after transplanting.
Can Cabbage Mature in Moosonee?
Growing degree days measure how much useful warmth typically accumulates during the season. For cabbage, this helps estimate whether local heat accumulation is usually enough for the crop to reach maturity on time.
Available GDD (base 40)1997
Typical crop GDD target1000
Heat margin+997
From the usual planting window, Moosonee typically provides about 1997 growing degree days for cabbage. With a typical crop target of 1000, that leaves a heat margin of +997. That heat margin usually gives the crop a dependable buffer, so gardeners have some flexibility in planting date and variety choice without pushing the crop close to the edge.
When Is It Too Late to Plant?
If planting later than usual, this table shows how much growing degree day heat is still available from each point in the season. It is most useful for judging how much flexibility you still have before the crop starts losing margin.
Checkpoint
Remaining GDD
Heat margin
Fit vs typical target
Apr 15
2181
+1181
Comfortable
May 15
2167
+1167
Comfortable
Jun 1
2051
+1051
Comfortable
Jun 15
1875
+875
Comfortable
Jul 1
1607
+607
Comfortable
How Different Cabbage Varieties Affect Results
Most cabbage varieties can succeed in Moosonee in a typical year. That gives gardeners room to choose for the kind of harvest they want, not just for minimum maturity speed.
Varieties that often fit well here include:
Golden Acre
— a classic early cabbage with strong practical fit in shorter seasons
Early Jersey Wakefield
— an early pointed cabbage that is useful when speed and spring harvests matter more than storage
Stonehead
— reliable and approachable, especially where gardeners want a firm early head
Red Express
— a faster red cabbage option for gardeners who want color without moving all the way into long-season storage types
Cheers
— productive and strong where the season offers a comfortable cool run
Storage No. 4
— better suited where the growing window gives longer room for finishing
Best Cabbage Varieties for Moosonee
Cabbage variety choice in Moosonee is mostly about head size, storage quality, compactness, and how much time you want to give the crop before harvest.
June 4
local season starts
September 17
frost pressure returns
Less heat used1997 GDD available
Hover or tap the dots to see which recommended varieties use that much local heat.
For Moosonee, start with Stonehead and Red Express for cabbage when you want reliable early cabbage or a faster red cabbage option.
Choose Early Jersey Wakefield and Golden Acre when you want early pointed spring cabbage or early compact cabbage heads.
Look at Storage No. 4 and Cheers when you specifically want storage cabbage or productive main-season cabbage.
Compare each variety’s heat need and maturity timing against the local frost-free window before choosing what to grow.
Recommended starting point
StoneheadEarly
900 GDD needed1997 available before frost
June 4September 17
Comfortable fit
Why this fit?
Local season fit:
Stonehead leaves about 1097 GDD cushion against the normal Moosonee crop heat estimate.
Best for: reliable early cabbage.
A dependable cabbage that is especially useful when gardeners want a firm early head.
Tradeoff: More about dependable heading than maximum size.
Red ExpressEarly
900 GDD needed1997 available before frost
June 4September 17
Comfortable fit
Why this fit?
Local season fit:
Red Express leaves about 1097 GDD cushion against the normal Moosonee crop heat estimate.
Best for: faster red cabbage.
A useful red cabbage option when gardeners want color without moving all the way into slow storage types.
Tradeoff: Chosen for color as much as storage or size.
Fastest / most cushion
Early Jersey WakefieldVery early
800 GDD needed1997 available before frost
June 4September 17
Comfortable fit
Why this fit?
Local season fit:
Early Jersey Wakefield leaves about 1197 GDD cushion against the normal Moosonee crop heat estimate.
Best for: early pointed cabbage.
A quick pointed cabbage that is useful when speed and spring harvests matter more than storage.
Tradeoff: Not a storage-focused cabbage.
Golden AcreVery early
800 GDD needed1997 available before frost
June 4September 17
Comfortable fit
Why this fit?
Local season fit:
Golden Acre leaves about 1197 GDD cushion against the normal Moosonee crop heat estimate.
Best for: early compact heads.
A classic early cabbage that gives gardeners a practical short-season path to firm heads.
Tradeoff: Not the biggest or best storage cabbage.
Also realistic
Storage No. 4Late
1150 GDD needed1997 available before frost
June 4September 17
Comfortable fit
Why this fit?
Local season fit:
Storage No. 4 leaves about 847 GDD cushion against the normal Moosonee crop heat estimate.
Best for: storage cabbage.
A longer-season cabbage better suited to places with enough room for a full finish.
Tradeoff: Needs a longer finish than early cabbage.
CheersMid-season
1000 GDD needed1997 available before frost
June 4September 17
Comfortable fit
Why this fit?
Local season fit:
Cheers leaves about 997 GDD cushion against the normal Moosonee crop heat estimate.
Best for: productive main-season cabbage.
A strong cabbage choice where the season offers a comfortable cool run.
Tradeoff: Needs more room than compact early cabbage.
GDD comparisons are a planning shortcut, not a guarantee. Soil, watering, sowing depth, pests, transplant quality, and harvest goals still affect the final result.
Variety class
Typical days to maturity
Typical GDD need
Local fit
Very early
60–70
800
Good fit
Early
70–80
900
Good fit
Mid-season
80–95
1000
Good fit
Late
95–110
1150
Good fit
Main risk: The most common problems here are practical ones: planting too late, losing momentum early, or choosing varieties that ask for more season than necessary.
How Frost Affects Planting Dates for Cabbage in Moosonee
Moosonee usually has about 105 frost-free days, with a typical last spring frost around June 4 and a typical first fall frost around September 17.
Typical last spring frostJune 4
Typical first fall frostSeptember 17
Typical frost-free days105
Minimum safe temperature28°F /
-2
°C
Cabbage is generally
somewhat frost tolerant
and temperatures below about 28°F (
-2
°C) can slow growth or damage plants.
Cabbage is usually tolerant enough of cool conditions that light frost is not the main concern. The more useful question is how early planting affects establishment and overall crop quality.
The most common setbacks here are practical: planting too late, losing momentum early, or choosing varieties that ask for more season than necessary.
In Moosonee, cabbage usually has a solid seasonal margin when planted around May 14. The warmest garden spots are usually south-facing walls, sheltered gardens, raised beds, and sunnier urban lots. Cooler spots like low spots, exposed sites, and shadier yards tend to warm up later and usually provide less heat. For cabbage, warmer garden spots usually improve early growth and can make timing a little more forgiving.
Set up cabbage for steady growth and pest protection
The better results usually come from steady growth, pest protection, and avoiding early setbacks.
Transplant support
Strong young plants help avoid slow starts and uneven sizing.