When to Plant Corn in Zone 6b

Before planting it is a good idea to find your USDA Zone info to figure out 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.

The first opportunity to plant corn in Zone 6b should be figured out by using the USDA zone info.

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Planting Calendar for Corn

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

Corn require warm weather which means that you have to wait until it warms up after all chance of frost has passed before you can plant them.

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 Zone 6b 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 really do well. If you are starting your corn indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Zone 6b the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

Keep in mind that USDA zone info for Zone 6b is an average and the actual date of last frost changes from year to year. Since half of the time in Zone 6b it frosts late in the year after April 15 be ready to cover your corn in the event of a surprise late frost.

USDA Zone Info for Zone 6b

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

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

Plants to Grow in Zone 6b

You may be interested in your other planting guides for Zone 6b.