Growing collards in zone 7a
In USDA zone 7a, the typical last spring frost is April 16 and the first fall frost is October 25. Here is when to plant collards against those dates.
Start seeds indoorsFebruary 19
Transplant outdoorsApril 2
Direct sow outdoorsMarch 26
Expected harvestMay 25 to June 14About 60 to 80 days from sowing.
Plant in fallJuly 26
These are zone 7a averages
Computed from 4,863 ZIP codes in zone 7a. 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 collards from Clemson Cooperative Extension, Home & Garden Information Center. Zone dates are medians; local conditions vary.