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.

A common way of making a decision about when to plant squash is to use the USDA zone info for Clayton.

Planting Calendar for Squash

Frost tolerance for squash:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since squash require warm weather you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant squash in Clayton is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant squash and expect a good harvest is probably September. If you wait any later than that and your squash may not have a chance to grow to maturity. Starting your squash indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Clayton. You should expect an average low temperature of 25°F in the coldest months of winter.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Clayton and it can change quite a bit from year to year. Since half of the time in Clayton it frosts late in the year after February 15 be ready to cover your squash in the event of a late frost.

USDA Zone Info for Clayton

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Clayton

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