Growing sweet corn 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 sweet corn against those dates.
Direct sow outdoorsApril 16 to April 30
Expected harvestJune 15 to July 29About 60 to 90 days from sowing.
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 sweet corn from University of Minnesota Extension. Zone dates are medians; local conditions vary.