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UC IPM Home > Homes, Gardens, Landscapes, and Turf > Vegetables > Cultural Tips
How to Manage Pests
Pests in Gardens and Landscapes
Time to plant
Warm days and nights provide the best climatic conditions
for growing corn. Frost will injure the plants at any
stage of growth. For germination, soil temperatures should
be between 70° to 80° F and
should not go below 55° F. Air temperatures above
95° F and drying winds may cause poor pollination. It
usually takes between 70 and 120 days for corn to reach
maturity depending upon the planting period. Corn planted
earlier usually takes longer to develop than corn planted
later on in the year. However, planting early may help
reduce some incidence of disease, such as smut.
In a suitable climate, corn can be planted more than once a year for a continuous harvest. |
Planting Dates
for Sweet Corn* |
| CALIFORNIA |
Direct seed |
North and North Coast
Monterey County north |
May–July |
South Coast
San Luis Obispo County south |
March– July |
Interior Valleys
Sacramento, San Joaquin valleys |
March–July |
Desert Valleys
Imperial and Coachella valleys
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Feb.–March
and August
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*Areas are large, so planting dates are only approximate,
as the climate may vary even in small sections of the state.
Contact experienced gardeners in your community and experiment
on your own to find more precise dates.
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