One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Casa Grande can be reviewed to figure out when it's the best time to plant squash.

Planting Calendar for Squash

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

You should not plant squash until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant squash in Casa Grande 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. You probably don't want to wait any later than that or else your squash may not have a chance to grow to maturity. If you are starting your squash indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Casa Grande. In the coldest months of winter you should expect an average low temperature of 5°F.

Always keep in mind that USDA zone info for Casa Grande is an average and the actual date of last frost will vary from year to year. Since half of the time in Casa Grande it frosts late in the year after April 15 be ready to protect your squash if you have one of those late frosts.

USDA Zone Info for Casa Grande

Here is the info for USDA Zone 7b.

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

Plants to Grow in Casa Grande

You may be interested in your other planting guides for Casa Grande.