When to plant cauliflower in Maine

Plant out in Portland

Apr 12–Apr 26

Across Maine the window opens between April 11 and May 2. Find your city below; the dates follow each town's own average last frost.

Start indoors, Portland: Feb 15–Mar 1
Plant out, Portland: Apr 12–Apr 26
Fall planting, Portland: Jul 23–Aug 6
Last frost, Portland: Apr 26

Start seeds indoors 8–10 weeks before the last frost; plant out up to 2 weeks before the last frost; sow again for fall 10–12 weeks before the first frost. When heads reach the size of an egg, tie the leaves over them to keep them white.

Cauliflower planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost

JanFebMarAprMayJunJulAugSepOctNovDec

PortlandApr 12–Apr 26

LewistonApr 11–Apr 25

BangorApr 20–May 4

South PortlandApr 12–Apr 26

AuburnApr 11–Apr 25

SanfordMay 2–May 16

BiddefordApr 25–May 9

WestbrookApr 12–Apr 26

SacoApr 12–Apr 26

Questions

When should I plant cauliflower in Maine?

In Portland, plant out from April 12 to April 26. Across Maine the window opens between April 11 and May 2, depending on the local last frost.

How is this date worked out?

Start seeds indoors 8–10 weeks before the last frost; plant out up to 2 weeks before the last frost; sow again for fall 10–12 weeks before the first frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.

More for Maine

Cauliflower in other states

Frost dates for every city in Maine