Growing cauliflower in zone 6b

In USDA zone 6b, the typical last spring frost is April 23 and the first fall frost is October 22. Here is when to plant cauliflower against those dates.

Start seeds indoorsFebruary 19 to March 5

Transplant outdoorsApril 9 to April 16

Direct sow outdoorsApril 9 to April 16

Plant in fallAugust 13 to September 17

These are zone 6b averages

Computed from 5,242 ZIP codes in zone 6b. 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.