When to Plant Corn in Plymouth, PA

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant corn in Plymouth should be figured out by checking out 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.

It's probably 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 Plymouth 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. If you wait any later than that and your corn may not have a chance to really do well. Starting your corn indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Plymouth. You should expect an average low temperature of -10°F in the coldest months of winter.

Always keep in mind that USDA zone info for Plymouth may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Plymouth you get a frost after April 15 be ready to protect your corn in the event of one of those late frosts.

USDA Zone Info for Plymouth

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Plymouth

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