The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to figure out when you can plant runner beans by using the USDA zone info for Mount Vernon.

Planting Calendar for Runner beans

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

Since runner beans are not cold tolerant you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant runner beans in Mount Vernon 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 really do well. You can get started a little bit earlier by starting your runner beans indoors.

Last Frost Date

On average the last frost is on April 15 in Mount Vernon. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Mount Vernon is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Mount Vernon you get a frost after April 15 so always be ready to protect your runner beans in the event of a late frost.

USDA Zone Info for Mount Vernon

Here is the info for USDA Zone 7a.

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

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Mount Vernon

You may be interested in your other planting guides for Mount Vernon.