What to plant in August, zone 3b
In zone 3b, the typical last spring frost is May 17 and the first fall frost is September 23. Here is your August checklist.
Fall planting
Plant these for fall and overwintering this month:
- CabbageJuly 15 to August 19
- CauliflowerJuly 15 to August 19
- KaleJuly 22 to August 26
- SpinachJuly 15 to August 19
- Swiss ChardAugust 26 to September 2
Harvest
Expect to harvest these this month:
- CarrotJuly 5 to August 11
- ParsnipAugust 4 to August 31
- PumpkinJuly 26 to September 28
- Sweet CornJuly 16 to August 29
- WatermelonAugust 10 to August 29
Want your exact dates?
These are zone 3b averages. Enter your ZIP for a calendar built on your nearest weather station.
Open the planting calendarUSDA 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.