FrostCal

When to Plant Cabbage in Montana

In a typical Montana location, start seeds indoors Mar 26 – Apr 9, then transplant outdoors Apr 16 – Apr 30. Across the state, the outdoor planting window starts as early as Apr 7 in Laurel and as late as May 16 in Butte. For a fall crop, plant around Jul 20 – Aug 3.

Method Start indoors, then transplant
Days to maturity 60–100 days

Cold-hardy; start indoors 5-7 weeks before last frost, transplant 2-4 weeks before last frost.

Cabbage Planting Dates by City

CityStart indoorsTransplantFall planting
BillingsMar 22 – Apr 5Apr 12 – Apr 26Jul 23 – Aug 6
MissoulaMar 22 – Apr 5Apr 12 – Apr 26Jul 23 – Aug 6
Great FallsMar 18 – Apr 1Apr 8 – Apr 22Jul 23 – Aug 6
BozemanApr 7 – Apr 21Apr 28 – May 12Jul 14 – Jul 28
ButteApr 25 – May 9May 16 – May 30Jun 27 – Jul 11
HelenaMar 21 – Apr 4Apr 11 – Apr 25Jul 22 – Aug 5
KalispellApr 12 – Apr 26May 3 – May 17Jul 2 – Jul 16
HavreMar 27 – Apr 10Apr 17 – May 1Jul 15 – Jul 29
AnacondaApr 13 – Apr 27May 4 – May 18Jul 6 – Jul 20
Miles CityMar 20 – Apr 3Apr 10 – Apr 24Jul 22 – Aug 5
Helena Valley SoutheastMar 21 – Apr 4Apr 11 – Apr 25Jul 22 – Aug 5
BelgradeApr 7 – Apr 21Apr 28 – May 12Jul 8 – Jul 22
Helena Valley West CentralMar 21 – Apr 4Apr 11 – Apr 25Jul 22 – Aug 5
EvergreenApr 12 – Apr 26May 3 – May 17Jul 2 – Jul 16
LivingstonApr 8 – Apr 22Apr 29 – May 13Jul 6 – Jul 20
WhitefishMar 28 – Apr 11Apr 18 – May 2Jul 17 – Jul 31
LaurelMar 17 – Mar 31Apr 7 – Apr 21Jul 25 – Aug 8
SidneyMar 23 – Apr 6Apr 13 – Apr 27Jul 19 – Aug 2
LockwoodMar 22 – Apr 5Apr 12 – Apr 26Jul 23 – Aug 6
LewistownMar 26 – Apr 9Apr 16 – Apr 30Jul 20 – Aug 3

Showing the 20 most populous of 20 Montana cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Montana cities.

Frequently Asked Questions

When should I plant cabbage in Montana?

In a typical Montana location, start seeds indoors Mar 26 – Apr 9, then transplant outdoors Apr 16 – Apr 30. Across the state, the outdoor planting window starts as early as Apr 7 in Laurel and as late as May 16 in Butte. For a fall crop, plant around Jul 20 – Aug 3.

When is the last frost in Montana?

The average last spring frost in Montana ranges from May 5 in Laurel to June 13 in Butte, based on NOAA 1991–2020 climate normals.

How long do cabbage take to grow?

Cabbage typically take 60–100 days from planting to harvest. Cold-hardy; start indoors 5-7 weeks before last frost, transplant 2-4 weeks before last frost.

Other Crops in Montana

When to plant cabbage in other states

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