When to Plant Asparagus in Montana

In a typical Montana location, plant 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.

Method Plant out (slips, crowns, or tubers)
Days to maturity 730–1095 days

Perennial; plant crowns 2-4 weeks before last frost as soon as soil can be worked. Takes 2-3 years to full production.

Asparagus Planting Dates by City

CityPlant outdoors
BillingsApr 12 – Apr 26
MissoulaApr 12 – Apr 26
Great FallsApr 8 – Apr 22
BozemanApr 28 – May 12
ButteMay 16 – May 30
HelenaApr 11 – Apr 25
KalispellMay 3 – May 17
HavreApr 17 – May 1
AnacondaMay 4 – May 18
Miles CityApr 10 – Apr 24
Helena Valley SoutheastApr 11 – Apr 25
BelgradeApr 28 – May 12
Helena Valley West CentralApr 11 – Apr 25
EvergreenMay 3 – May 17
LivingstonApr 29 – May 13
WhitefishApr 18 – May 2
LaurelApr 7 – Apr 21
SidneyApr 13 – Apr 27
LockwoodApr 12 – Apr 26
LewistownApr 16 – Apr 30

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 asparagus in Montana?

In a typical Montana location, plant 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.

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 asparagus take to grow?

Asparagus typically take 730–1095 days from planting to harvest. Perennial; plant crowns 2-4 weeks before last frost as soon as soil can be worked. Takes 2-3 years to full production.

Other Crops in Montana

When to plant asparagus in other states

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