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.

In Rio Grande City you can figure out when to plant corn salad by checking out the USDA zone info.

Planting Calendar for Corn salad

Frost tolerance for corn salad:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Corn salad do not do well in cold weather which means that it's necessary to wait until it warms up after the last frost has passed before you can plant them.

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

Last Frost Date

In Rio Grande City the average date of last frost happens on February 15. You can expect an average low temperature of 25°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Rio Grande City is an average and the actual date of last frost is different every year. Half of the time in Rio Grande City you get a frost after February 15 so make sure that you are ready to cover your corn salad if you have one of those late frosts.

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.