Skip to content
Sprout Authority

Growing sweet corn 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 sweet corn against those dates.

Direct sow outdoorsMarch 29 to April 12
Expected harvestMay 28 to July 11About 60 to 90 days from sowing.

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 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 sweet corn from University of Minnesota Extension. Zone dates are medians; local conditions vary.