When to Plant Pansies in San Antonio, TX

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.

The earliest that you can plant pansies in San Antonio can be estimated by using the USDA zone info.


Planting Calendar for Pansies

Frost tolerance for pansies: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

You can plant pansies a lot earlier in the year because they do well in cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant pansies
Possibly ok, but a risky time to plant pansies
Probably not a good time to plant pansies

The earliest that you can plant pansies in San Antonio is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant pansies and expect a good harvest is probably September. Any later than that and your pansies may not have a chance to grow to maturity. Starting your pansies indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In San Antonio the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for San Antonio is an average the actual date of last frost is different every year. Half of the time in San Antonio there is a last frost after March 15 so be sure to be ready to protect your pansies in the event of a surprise 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 Low15°F
Highest Expected Low20°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.