One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to determine when it's the best time to plant runner beans by looking at the USDA zone info for Colleyville.

Planting Calendar for Runner beans

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

Since runner beans are not cold tolerant you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant runner beans in Colleyville 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. Starting your runner beans indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is March 15 in Colleyville. You can expect an average low temperature of 10°F in the coldest months of winter.

It's important to remember that USDA zone info for Colleyville 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 Colleyville it frosts late in the year after March 15 be ready to protect your runner beans if you have one of those late frosts.

USDA Zone Info for Colleyville

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Colleyville

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