Before planting it is a good idea to find your USDA Zone info to figure out 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.

One way of getting a good idea when you can plant squash is to look at the USDA zone info for San Antonio.

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 are not cold tolerant you really should wait until after the last frost before you can plant them.

The earliest that you can plant squash in San Antonio 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 couple of weeks earlier by starting your squash indoors.

Last Frost Date

On average the last frost is on March 15 in San Antonio. It might get as low as 15°F during the coldest months of winter.

Always keep in mind that USDA zone info for San Antonio may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in San Antonio you get a frost after March 15 so be sure to be ready to protect your squash in the event of one of those late frosts.

USDA Zone Info for San Antonio

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in San Antonio

You may be interested in your other planting guides for San Antonio.