DibbleWhen to plant corn in Zone 11
In Zone 11, the last spring frost usually passes around January 1 and the first fall frost arrives around December 31, leaving about 365 frost-free days. The windows below are computed from those frost dates, with the same math the Dibble app uses.
Frost-free, tropical. Year-round growing; timing follows wet/dry and heat, not frost.
Planting windows for corn in Zone 11
| Task | Window |
|---|---|
| Direct sow | Jan 8 to Jan 22 |
| Estimated harvest | Mar 24 to Apr 3 |
The harvest estimate counts 75 days to maturity, then a picking window of about 10 days. These windows use typical frost dates for Zone 11; Dibble pins them to your exact ZIP code.
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Sweet Corn in a Zone 11 season
Zone 11 gives about 365 frost-free days. Sweet Corn needs roughly 75 days from sowing. That leaves about 290 days of slack, so there is room for a late start or a second planting.
How to grow corn
Sow corn once the soil is warm and nights stay mild. Plant in blocks of several short rows, not one long row, for good pollination. Water well while the tassels and silks form.
Companion plants
Good neighbors for Sweet Corn:
Better kept apart:
Sweet Corn in other zones
Not in Zone 11? Pick your zone for the same dated windows.
Keep exploring
Sweet Corn: the full growing guide · The Zone 11 planting calendar · Every crop and zone
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Dates are estimates based on typical frost dates for the zone. Your yard has its own microclimate, so use them as a starting point and adjust as you learn your space.