Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. 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 Cibolo should be used to figure out when it's the best time to plant runner beans.

Planting Calendar for Runner beans

Frost tolerance for runner beans:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Runner beans require warm weather which tells us that you must wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant runner beans in Cibolo is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant runner beans and expect a good harvest is probably August. Any later than that and your runner beans may not have a chance to fully mature. You can get started a little bit earlier by starting your runner beans indoors.

Last Frost Date

On average the last frost is on March 15 in Cibolo. It might get as low as 15°F during the coldest months of winter.

Keep in mind that USDA zone info for Cibolo may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Cibolo there is a last frost after March 15 be ready to protect your runner beans if you have a late frost.

USDA Zone Info for Cibolo

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Cibolo

You may be interested in your other planting guides for Cibolo.