Growing spinach in zone 8a
In USDA zone 8a, the typical last spring frost is March 29 and the first fall frost is November 7. Here is when to plant spinach against those dates.
Start seeds indoorsFebruary 15 to February 22
Transplant outdoorsMarch 29
Direct sow outdoorsMarch 1 to March 8
Plant in fallAugust 29 to October 3
These are zone 8a averages
Computed from 3,407 ZIP codes in zone 8a. 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.