Growing spinach in zone 6a
In USDA zone 6a, the typical last spring frost is April 29 and the first fall frost is October 16. Here is when to plant spinach against those dates.
Start seeds indoorsMarch 18 to March 25
Transplant outdoorsApril 29
Direct sow outdoorsApril 1 to April 8
Plant in fallAugust 7 to September 11
These are zone 6a averages
Computed from 5,156 ZIP codes in zone 6a. Your town's frost dates vary; enter your ZIP for dates built on your nearest weather station.
Get my exact datesUSDA 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.