The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for San Antonio you will be able to figure out when you can plant pumpkins.

Planting Calendar for Pumpkins

Frost tolerance for pumpkins:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since pumpkins are not cold tolerant it is important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant pumpkins 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 pumpkins and expect a good harvest is probably August. If you wait any later than that and your pumpkins may not have a chance to really do well. If you are starting your pumpkins indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Remember that USDA zone info for San Antonio is not always accurate and the actual date of last frost is different every year. Half of the time in San Antonio you get surprised by a frost after March 15 so make sure that you are prepared to protect your pumpkins in the event of a late frost.

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.