When to plant kale in Montana

Kale
Plant out in Billings
Apr 6–Apr 20

Across Montana the window opens between April 6 and May 16. Find your city below; the dates follow each town's own average last frost.

Plant out, Billings
Apr 6–Apr 20
Sow outdoors, Billings
Apr 6–Apr 20
Fall planting, Billings
Jul 29–Aug 12
Last frost, Billings
May 4

Plant out 2–4 weeks before the last frost; sow outdoors 2–4 weeks before the last frost; sow again for fall 8–10 weeks before the first frost. Kale keeps producing through frost and often into winter.

Kale planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
BillingsApr 6–Apr 20
MissoulaApr 12–Apr 26
Great FallsApr 8–Apr 22
BozemanApr 28–May 12
Butte-Silver BowMay 16–May 30
HelenaApr 11–Apr 25
KalispellMay 3–May 17

Questions

When should I plant kale in Montana?

In Billings, plant out from April 6 to April 20. Across Montana the window opens between April 6 and May 16, depending on the local last frost.

How is this date worked out?

Plant out 2–4 weeks before the last frost; sow outdoors 2–4 weeks before the last frost; sow again for fall 8–10 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Montana

Kale in other states

Frost dates for every city in Montana