When to Plant Corn in Zone 9
In USDA zone 9, plant outdoors March 15 to June 15, and expect your first harvest around June 15.
Corn planting calendar for USDA Zone 9
Direct sow
Mar 15
Projected first harvest
Jun 15
Most corn mature in about 75 to 110 days depending on the variety. Dates use USDA zone 9a average frost dates. Set your ZIP in HomeSown for dates tuned to your exact location.
What zone 9 means for corn
Average last spring frost
March 1
Average first fall frost
December 1
Those two dates are what set the schedule above. Zone 9 gives you roughly 275 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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