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.

A common way of making a decision about when it's the best time to plant scarlet runner beans is to check out the USDA zone info for Shelby.

Planting Calendar for Scarlet Runner Beans

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

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

The earliest that you can plant scarlet runner beans in Shelby 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 grow to maturity. You can get started a little bit earlier by starting your scarlet runner beans indoors.

Last Frost Date

In Shelby the average date of last frost happens on April 15. You can expect an average low temperature of 5°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Shelby is not always accurate and the actual date of last frost changes from year to year. Half of the time in Shelby it frosts late in the year after April 15 so just be sure to be ready to cover your scarlet runner beans in the event of a surprise late frost.

USDA Zone Info for Shelby

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 Shelby

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