The USDA Zone info is a great tool for gardeners to help us determine your gardening 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 squash in Guymon should be figured out by checking out the USDA zone info.

Planting Calendar for Squash

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

Squash do not do well in cold weather which means that it's necessary to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant squash in Guymon 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 squash and expect a good harvest is probably August. If you wait any later than that and your squash may not have a chance to grow to maturity. You can get started a little bit earlier by starting your squash indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Guymon. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Guymon is just an average the actual date of last frost changes from year to year. Half of the time in Guymon you get surprised by a frost after April 15 so just be sure to be ready to cover your squash if you have one of those late frosts.

USDA Zone Info for Guymon

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 Low	0°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 Guymon

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