Growing cauliflower in zone 3b

In USDA zone 3b, the typical last spring frost is May 17 and the first fall frost is September 23. Here is when to plant cauliflower against those dates.

Start seeds indoorsMarch 15 to March 29

Transplant outdoorsMay 3 to May 10

Direct sow outdoorsMay 3 to May 10

Plant in fallJuly 15 to August 19

These are zone 3b averages

Computed from 224 ZIP codes in zone 3b. Your town's frost dates vary; enter your ZIP for dates built on your nearest weather station.

Get my exact dates

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. Planting windows for cauliflower from Utah State University Extension. Zone dates are medians; local conditions vary.