When to Plant Parsley in Montana

In a typical Montana location, start seeds indoors Mar 19 – Apr 2, then transplant outdoors Apr 30 – May 7. Across the state, the outdoor planting window starts as early as Apr 21 in Laurel and as late as May 30 in Butte.

Method Start indoors, then transplant
Days to maturity 70–90 days

Slow to germinate; start indoors 6-8 weeks before last frost, transplant 1-2 weeks before last frost (biennial, cold-tolerant).

Parsley Planting Dates by City

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

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 parsley in Montana?

In a typical Montana location, start seeds indoors Mar 19 – Apr 2, then transplant outdoors Apr 30 – May 7. Across the state, the outdoor planting window starts as early as Apr 21 in Laurel and as late as May 30 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 parsley take to grow?

Parsley typically take 70–90 days from planting to harvest. Slow to germinate; start indoors 6-8 weeks before last frost, transplant 1-2 weeks before last frost (biennial, cold-tolerant).

Other Crops in Montana

When to plant parsley in other states

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