What to plant in September, zone 3a

In zone 3a, the typical last spring frost is May 29 and the first fall frost is September 5. Here is your September checklist.

Fall planting

Plant these for fall and overwintering this month:

GarlicSeptember 12 to September 19

Harvest

Expect to harvest these this month:

ParsnipAugust 16 to September 12
PumpkinAugust 7 to October 10
Sweet CornJuly 28 to September 10
WatermelonAugust 22 to September 10

Want your exact dates?

These are zone 3a averages. Enter your ZIP for a calendar built on your nearest weather station.

Open the planting calendar

USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service / Oregon State University PRISM Group. NOAA National Centers for Environmental Information, U.S. Climate Normals 1991-2020. Zone dates are medians; local conditions vary.