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

In Del Rio you can estimate when it's possible to plant painted tongues by reviewing the USDA zone info.

Planting Calendar for Painted Tongues

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

Since painted tongues require warm weather you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant painted tongues in Del Rio is March. However, you really should wait until April if you don't want to take any chances.

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

Last Frost Date

In Del Rio the average date of last frost happens on February 15. You should expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Del Rio is not always accurate the actual date of last frost will vary from year to year. Half of the time in Del Rio it frosts late in the year after February 15 so be sure to be ready to cover your painted tongues if you have one of those late frosts.

USDA Zone Info for Del Rio

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 Del Rio

You may be interested in your other planting guides for Del Rio.