One of the first steps you take when you are making a decision about 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.

The USDA zone info for Charles Town should be used to figure out when 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.

Since runner beans require warm weather it is important to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant runner beans in Charles Town 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 grow to maturity. You can get started a few weeks earlier by starting your runner beans indoors.

Last Frost Date

On average the last frost is on April 15 in Charles Town. You should expect an average low temperature of -5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Charles Town may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Charles Town you get a frost after April 15 be ready to protect your runner beans if you have one of those late frosts.

USDA Zone Info for Charles Town

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Charles Town

You may be interested in your other planting guides for Charles Town.