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.

A common way of determining when it's possible to plant diascia is to consult the USDA zone info for San Angelo.

Planting Calendar for Diascia

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

Since diascia are moderately cold tolerant you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant diascia in San Angelo 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 diascia and expect a good harvest is probably September. Any later than that and your diascia may not have a chance to fully mature. If you are starting your diascia indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In San Angelo the average date of last frost happens on March 15. It might get as low as 10°F during the coldest months of winter.

Just be sure to remember that USDA zone info for San Angelo may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in San Angelo you get surprised by a frost after March 15 be ready to cover your diascia in the event of a surprise late frost.

USDA Zone Info for San Angelo

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in San Angelo

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