When to Plant Corn in Blackwell, OK

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant corn in Blackwell can be estimated by checking out the USDA zone info.


Planting Calendar for Corn

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

It's not a good idea to plant corn until after the last frost has passed because they are not cold tolerant.

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 Blackwell 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. Starting your corn indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Blackwell. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Blackwell is not always accurate the actual date of last frost changes from year to year. Since half of the time in Blackwell it frosts late in the year after April 15 be ready to protect your corn if you have one of those late frosts.

USDA Zone Info for Blackwell

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 Blackwell

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