What to plant in August, zone 4a
In zone 4a, the typical last spring frost is May 12 and the first fall frost is September 28. Here is your August checklist.
Fall planting
Plant these for fall and overwintering this month:
- CabbageJuly 20 to August 24
- CauliflowerJuly 20 to August 24
- KaleJuly 27 to August 31
- LettuceJune 29 to August 3
- SpinachJuly 20 to August 24
- Swiss ChardAugust 31 to September 7
Harvest
Expect to harvest these this month:
- CarrotJune 30 to August 6
- ParsnipJuly 30 to August 26
- PumpkinJuly 21 to September 23
- Sweet CornJuly 11 to August 24
- WatermelonAugust 5 to August 24
Want your exact dates?
These are zone 4a 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.