When to plant pumpkins in Maine

Sow outdoors in Portland

May 10–May 24

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

Sow outdoors 2–4 weeks after the last frost. For Halloween pumpkins, count back the variety's days to maturity from late September.

Pumpkins planting dates by city

Start indoorsPlant outSow outdoorsFall plantingAverage last and first frost

JanFebMarAprMayJunJulAugSepOctNovDec

PortlandMay 10–May 24

LewistonMay 9–May 23

BangorMay 18–Jun 1

South PortlandMay 10–May 24

AuburnMay 9–May 23

SanfordMay 30–Jun 13

BiddefordMay 23–Jun 6

WestbrookMay 10–May 24

SacoMay 10–May 24

When should I plant pumpkins in Maine?

In Portland, sow outdoors from May 10 to May 24. Across Maine the window opens between May 9 and May 30, depending on the local last frost.

How is this date worked out?

Sow outdoors 2–4 weeks after the last frost. Frost dates are NOAA 1991–2020 averages for the weather station nearest each city.