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

A common way of estimating when it's possible to plant scarlet runner beans is to check out the USDA zone info for Stephenville.

Planting Calendar for Scarlet Runner Beans

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

You can not plant scarlet runner beans until after the last frost because they are not cold tolerant.

The earliest that you can plant scarlet runner beans in Stephenville 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 scarlet runner beans and expect a good harvest is probably August. Any later than that and your scarlet runner beans may not have a chance to grow to maturity. If you are starting your scarlet runner beans indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Stephenville 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 Stephenville it frosts late in the year after March 15 be ready to cover your scarlet runner beans in the event of one of those late frosts.

USDA Zone Info for Stephenville

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 Stephenville

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