One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By reviewing the USDA zone info for Herndon it's possible to figure out when it's a good idea to plant snap beans.

Planting Calendar for Snap beans

Frost tolerance for snap beans:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Snap beans require warm weather which means that it is important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant snap beans in Herndon 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 snap beans and expect a good harvest is probably August. If you wait any later than that and your snap beans may not have a chance to fully mature. You can get started a little bit earlier by starting your snap beans indoors.

Last Frost Date

On average the last frost is on April 15 in Herndon. In the coldest months of winter you can expect an average low temperature of 0°F.

Always keep in mind that USDA zone info for Herndon is an average and the actual date of last frost changes from year to year. Since half of the time in Herndon last frost occurs after April 15 be ready to cover your snap beans in the event of one of those late frosts.

USDA Zone Info for Herndon

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 Herndon

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