One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Rio Grande City should be looked at to figure out when it's possible to plant snap beans.

Planting Calendar for Snap beans

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

It's a bad idea to plant snap beans until after the last frost because they do not do well in cold weather.

The earliest that you can plant snap beans 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 snap beans and expect a good harvest is probably September. You probably don't want to wait any later than that or else your snap beans may not have a chance to fully mature. Starting your snap beans indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on February 15 in Rio Grande City. You should expect an average low temperature of 25°F in the coldest months of winter.

Remember that USDA zone info for Rio Grande City may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Rio Grande City you get surprised by a frost after February 15 so always be ready to protect your snap beans 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.