When to Plant Corn in Zone 3
In USDA zone 3, plant outdoors June 13 to September 13, and expect your first harvest around September 13.
Corn planting calendar for USDA Zone 3
Direct sow
Jun 13
Projected first harvest
Sep 13
Most corn mature in about 75 to 110 days depending on the variety. Dates use USDA zone 3a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 3 means for corn
Average last spring frost
May 30
Average first fall frost
September 10
Those two dates are what set the schedule above. Zone 3 gives you roughly 103 frost-free days, and corn need about 75 to 110 days depending on the variety to mature.
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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