One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Uvalde it's possible to figure out when it's a good idea to plant twinspur.

Planting Calendar for Twinspur

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

Twinspur tend to make it in some cold which means that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant twinspur in Uvalde is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant twinspur and expect a good harvest is probably October. Any later than that and your twinspur may not have a chance to really do well. You can get started a couple of weeks earlier by starting your twinspur indoors.

Last Frost Date

In Uvalde the average date of last frost happens on February 15. In the coldest months of winter you can expect an average low temperature of 20°F.

Keep in mind that USDA zone info for Uvalde may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Uvalde last frost occurs after February 15 be ready to cover your twinspur in the event of a late frost.

USDA Zone Info for Uvalde

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Uvalde

You may be interested in your other planting guides for Uvalde.