One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By looking at the USDA zone info for Del Rio it's a good idea to figure out when it's the best time to plant roses.

Planting Calendar for Roses

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

Roses do ok in moderate cold which means that you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant roses in Del Rio 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 roses and expect a good harvest is probably October. You probably don't want to wait any later than that or else your roses may not have a chance to really do well. You can get started a couple of weeks earlier by starting your roses indoors.

Last Frost Date

The average date of last frost is February 15 in Del Rio. You can expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Del Rio is just an average the actual date of last frost is different every year. Half of the time in Del Rio there is a last frost after February 15 so make sure that you are ready to cover your roses if you have a surprise late frost.

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.