Growing cauliflower in zone 5a

In USDA zone 5a, the typical last spring frost is May 3 and the first fall frost is October 5. Here is when to plant cauliflower against those dates.

Start seeds indoorsMarch 1 to March 15

Transplant outdoorsApril 19 to April 26

Direct sow outdoorsApril 19 to April 26

Plant in fallJuly 27 to August 31

These are zone 5a averages

Computed from 2,383 ZIP codes in zone 5a. 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.