When to plant radishes in Montana

Radishes
Sow outdoors in Billings
Mar 30–May 11

Across Montana the window opens between March 30 and May 9. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Billings
Mar 30–May 11
Fall planting, Billings
Aug 26–Sep 9
Last frost, Billings
May 4

Sow outdoors from 5 weeks before to 1 weeks after the last frost; sow again for fall 4–6 weeks before the first frost. The fastest crop in the garden. Sow a short row every week in spring and fall.

Radishes planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost
JanFebMarAprMayJunJulAugSepOctNovDec
BillingsMar 30–May 11
MissoulaApr 5–May 17
Great FallsApr 1–May 13
BozemanApr 21–Jun 2
Butte-Silver BowMay 9–Jun 20
HelenaApr 4–May 16
KalispellApr 26–Jun 7

Questions

When should I plant radishes in Montana?

In Billings, sow outdoors from March 30 to May 11. Across Montana the window opens between March 30 and May 9, depending on the local last frost.

How is this date worked out?

Sow outdoors from 5 weeks before to 1 weeks after the last frost; sow again for fall 4–6 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Montana

Radishes in other states

Frost dates for every city in Montana