When to plant cilantro in Montana

Cilantro
Sow outdoors in Billings
Apr 20–May 11

Across Montana the window opens between April 20 and May 30. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Billings
Apr 20–May 11
Fall planting, Billings
Aug 12–Aug 26
Last frost, Billings
May 4

Sow outdoors from 2 weeks before to 1 weeks after the last frost; sow again for fall 6–8 weeks before the first frost. Cilantro goes to seed quickly in warm weather. Sow small amounts often.

Cilantro planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
BillingsApr 20–May 11
MissoulaApr 26–May 17
Great FallsApr 22–May 13
BozemanMay 12–Jun 2
Butte-Silver BowMay 30–Jun 20
HelenaApr 25–May 16
KalispellMay 17–Jun 7

Questions

When should I plant cilantro in Montana?

In Billings, sow outdoors from April 20 to May 11. Across Montana the window opens between April 20 and May 30, depending on the local last frost.

How is this date worked out?

Sow outdoors from 2 weeks before to 1 weeks after the last frost; sow again for fall 6–8 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Montana

Cilantro in other states

Frost dates for every city in Montana