What to plant in March, zone 6b
In zone 6b, the typical last spring frost is April 23 and the first fall frost is October 22. Here is your March checklist.
Start indoors
Start these indoors this month:
- BasilFebruary 26 to March 12
- CauliflowerFebruary 19 to March 5
- CucumberMarch 26
- LettuceMarch 12 to March 19
- MarigoldMarch 12 to March 26
- ParsleyFebruary 26 to March 12
- RhubarbMarch 12
- SpinachMarch 12 to March 19
- Swiss ChardMarch 12 to March 19
- TomatoMarch 12 to March 19
Transplant outdoors
Move these out to the garden this month:
- KaleMarch 19 to March 26
Direct sow
Sow these straight into the ground this month:
- KaleMarch 19 to March 26
- SpinachMarch 26 to April 2
- Swiss ChardMarch 26 to April 2
Want your exact dates?
These are zone 6b 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.