One of the best tools that you have as gardeners to help us determine your gardening schedule is the 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.

The earliest that you can plant cabbage in Del Rio should be estimated by checking out the USDA zone info.

Planting Calendar for Cabbage

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

Cabbage tend to make it in mild cold which tells us that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant cabbage 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 cabbage and expect a good harvest is probably October. If you wait any later than that and your cabbage may not have a chance to really do well. You can get started a few weeks earlier by starting your cabbage indoors.

Last Frost Date

In Del Rio the average date of last frost happens on February 15. It might get as low as 20°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Del Rio is just an average and the actual date of last frost is different every year. Since half of the time in Del Rio last frost occurs after February 15 be ready to protect your cabbage in the event of 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.