What to plant in September, zone 3b

In zone 3b, the typical last spring frost is May 17 and the first fall frost is September 23. Here is your September checklist.

Fall planting

Plant these for fall and overwintering this month:

GarlicSeptember 30 to October 7
Swiss ChardAugust 26 to September 2

Harvest

Expect to harvest these this month:

PumpkinJuly 26 to September 28

Want your exact dates?

These are zone 3b 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.