When to Plant Corn in Zone 5
In USDA zone 5a, plant outdoors May 19 to August 19, and expect your first harvest around August 19. (5a shown here — see 5a and 5b dates separately below.)
Corn planting calendar for USDA Zone 5a
Average last spring frost
May 5
Average first fall frost
October 1
Direct sow
May 19
Projected first harvest
Aug 19
Most corn mature in about 75 to 110 days depending on the variety, needing roughly 149 frost-free days in zone 5a.
Corn planting calendar for USDA Zone 5b
Average last spring frost
April 30
Average first fall frost
October 5
Direct sow
May 14
Projected first harvest
Aug 14
Most corn mature in about 75 to 110 days depending on the variety, needing roughly 158 frost-free days in zone 5b.
Not sure whether you're in 5a or 5b? 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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