What to plant in August, zone 4b
In zone 4b, the typical last spring frost is May 8 and the first fall frost is October 1. Here is your August checklist.
Fall planting
Plant these for fall and overwintering this month:
- CabbageJuly 23 to August 27
- CauliflowerJuly 23 to August 27
- KaleJuly 30 to September 3
- LettuceJuly 2 to August 6
- SpinachJuly 23 to August 27
Harvest
Expect to harvest these this month:
- CarrotJune 26 to August 2
- ParsnipJuly 26 to August 22
- PumpkinJuly 17 to September 19
- Sweet CornJuly 7 to August 20
- WatermelonAugust 1 to August 20
Want your exact dates?
These are zone 4b 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.