Growing spinach in zone 5b

In USDA zone 5b, the typical last spring frost is May 1 and the first fall frost is October 10. Here is when to plant spinach against those dates.

Start seeds indoorsMarch 20 to March 27

Transplant outdoorsMay 1

Direct sow outdoorsApril 3 to April 10

Plant in fallAugust 1 to September 5

These are zone 5b averages

Computed from 2,843 ZIP codes in zone 5b. 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 spinach from Utah State University Extension. Zone dates are medians; local conditions vary.