When to Plant Corn in Zone 6
In USDA zone 6a, plant outdoors May 9 to August 9, and expect your first harvest around August 9. (6a shown here — see 6a and 6b dates separately below.)
Corn planting calendar for USDA Zone 6a
Average last spring frost
April 25
Average first fall frost
October 10
Direct sow
May 9
Projected first harvest
Aug 9
Most corn mature in about 75 to 110 days depending on the variety, needing roughly 168 frost-free days in zone 6a.
Corn planting calendar for USDA Zone 6b
Average last spring frost
April 20
Average first fall frost
October 15
Direct sow
May 4
Projected first harvest
Aug 4
Most corn mature in about 75 to 110 days depending on the variety, needing roughly 178 frost-free days in zone 6b.
Not sure whether you're in 6a or 6b? Set your ZIP in HomeSown for dates tuned to your exact location.
Varieties to grow
4 varieties of corn in the HomeSown library. Tap any for its full grow guide.
Common problems with corn
What to watch for, with identification and treatment for each
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