When to plant radishes in Maine

Radishes
Sow outdoors in Portland
Mar 22–May 3

Across Maine the window opens between March 21 and April 11. Find your city below; the dates follow each town's own average last frost.

Sow outdoors, Portland
Mar 22–May 3
Fall planting, Portland
Sep 3–Sep 17
Last frost, Portland
Apr 26

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
PortlandMar 22–May 3
LewistonMar 21–May 2
BangorMar 30–May 11
South PortlandMar 22–May 3
AuburnMar 21–May 2
SanfordApr 11–May 23
BiddefordApr 4–May 16
WestbrookMar 22–May 3
SacoMar 22–May 3

Questions

When should I plant radishes in Maine?

In Portland, sow outdoors from March 22 to May 3. Across Maine the window opens between March 21 and April 11, 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 Maine

Radishes in other states

Frost dates for every city in Maine