When to Plant Corn in Souderton, PA

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.

The earliest that you can plant corn in Souderton should be determined by reviewing the USDA zone info.


Planting Calendar for Corn

Frost tolerance for corn: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Since corn do not do well in cold weather you have to wait until after the last 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 Souderton 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. 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 little bit earlier.

Last Frost Date

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

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

USDA Zone Info for Souderton

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 Souderton

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