One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Clearfield you should be able to figure out when to plant squash.

Planting Calendar for Squash

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

Since squash require warm weather you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant squash in Clearfield 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. Any later than that and your squash may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your squash indoors.

Last Frost Date

The average date of last frost is April 15 in Clearfield. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Clearfield 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 Clearfield it frosts late in the year after April 15 be ready to cover your squash if you have a surprise late frost.

USDA Zone Info for Clearfield

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 Clearfield

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