What to plant in April, zone 3b

In zone 3b, the typical last spring frost is May 17 and the first fall frost is September 23. Here is your April checklist.

Start indoors

Start these indoors this month:

BasilMarch 22 to April 5
CucumberApril 19
LettuceApril 5 to April 12
MarigoldApril 5 to April 19
ParsleyMarch 22 to April 5
RhubarbApril 5
SpinachApril 5 to April 12
Swiss ChardApril 5 to April 12
TomatoApril 5 to April 12

Transplant outdoors

Move these out to the garden this month:

BroccoliApril 26 to May 3
CabbageApril 26 to May 3
KaleApril 12 to April 19

Direct sow

Sow these straight into the ground this month:

BeetApril 26 to May 3
BroccoliApril 26 to May 3
CabbageApril 26 to May 3
CarrotApril 26 to May 3
CollardsApril 26
KaleApril 12 to April 19
LettuceApril 26 to May 3
ParsnipApril 26 to May 3
PotatoApril 26 to May 3
RadishApril 26 to May 3
SpinachApril 19 to April 26
Swiss ChardApril 19 to April 26

Want your exact dates?

These are zone 3b averages. Enter your ZIP for a calendar built on your nearest weather station.

Open the planting calendar

USDA 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.