When to Plant Corn in Seaford, DE

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Seaford you will be able to figure out when it's a good idea to plant corn.


Planting Calendar for Corn

Frost tolerance for corn: Not tolerant of frost.
When to plant: After the last frost.

It's a bad idea to plant corn until after the last frost because they require warm weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant corn
Possibly ok, but a risky time to plant corn
Probably not a good time to plant corn

The earliest that you can plant corn in Seaford is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant corn and expect a good harvest is probably August. You probably don't want to wait any later than that or else your corn may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your corn indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Seaford. You can expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Seaford may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Seaford there is a last frost after April 15 so make sure that you are ready to cover your corn in the event of a surprise late frost.

USDA Zone Info for Seaford

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Seaford

You may be interested in your other planting guides for Seaford.