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.

One way of figuring out when you can plant scarlet runner beans is to consult the USDA zone info for Carrboro.

Planting Calendar for Scarlet Runner Beans

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

Since scarlet runner beans require warm weather it's necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant scarlet runner beans in Carrboro 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. You probably don't want to wait any later than that or else your scarlet runner beans may not have a chance to really do well. Starting your scarlet 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 April 15 in Carrboro. It might get as low as 5°F during the coldest months of winter.

Remember that USDA zone info for Carrboro may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Carrboro it frosts late in the year after April 15 so just be sure to be ready to protect your scarlet runner beans if you have one of those late frosts.

USDA Zone Info for Carrboro

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Carrboro

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