What to plant in April, zone 4b
In zone 4b, the typical last spring frost is May 8 and the first fall frost is October 1. Here is your April checklist.
Start indoors
Start these indoors this month:
Transplant outdoors
Move these out to the garden this month:
- BroccoliApril 17 to April 24
- CabbageApril 17 to April 24
- CauliflowerApril 24 to May 1
- CollardsApril 24
- KaleApril 3 to April 10
Direct sow
Sow these straight into the ground this month:
- BeetApril 17 to April 24
- BroccoliApril 17 to April 24
- CabbageApril 17 to April 24
- CarrotApril 17 to April 24
- CauliflowerApril 24 to May 1
- CollardsApril 17
- KaleApril 3 to April 10
- LettuceApril 17 to April 24
- ParsnipApril 17 to April 24
- PotatoApril 17 to April 24
- RadishApril 17 to April 24
- SpinachApril 10 to April 17
- Swiss ChardApril 10 to April 17
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.