The USDA Zone info is a great tool for gardeners to help us estimate 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.

You will be able to determine when it's possible to plant missouri primrose by using the USDA zone info for San Antonio.

Planting Calendar for Missouri Primrose

Frost tolerance for missouri primrose:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant missouri primrose a little earlier in the year because they do well in moderate cold.

The earliest that you can plant missouri primrose 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 missouri primrose and expect a good harvest is probably September. You probably don't want to wait any later than that or else your missouri primrose may not have a chance to grow to maturity. You can get started a little bit earlier by starting your missouri primrose indoors.

Last Frost Date

On average the last frost has passed is on March 15 in San Antonio. In the coldest months of winter you should expect an average low temperature of 15°F.

Just be sure to remember 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. Since half of the time in San Antonio you get surprised by a frost after March 15 be ready to protect your missouri primrose if you have 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.