Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of figuring out when it's a good idea to plant red cabbage is to look at the USDA zone info for Rio Grande City.

Planting Calendar for Red cabbage

Frost tolerance for red cabbage:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Red cabbage do well in cold which means that you can get them planted much earlier than other frost tender plants.

The earliest that you can plant red cabbage in Rio Grande City 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 red cabbage and expect a good harvest is probably October. If you wait any later than that and your red cabbage may not have a chance to grow to maturity. Starting your red cabbage indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on February 15 in Rio Grande City. You can expect an average low temperature of 25°F in the coldest months of winter.

It's important to remember that USDA zone info for Rio Grande City may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Rio Grande City there is a last frost after February 15 so just be sure to be ready to protect your red cabbage in the event of a late frost.

USDA Zone Info for Rio Grande City

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Rio Grande City

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