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.

It's possible to estimate when it's possible to plant green beans by looking at the USDA zone info for Herndon.

Planting Calendar for Green beans

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

It's a bad idea to plant green beans until after the last frost because they do not do well in cold weather.

The earliest that you can plant green 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 green beans and expect a good harvest is probably August. Any later than that and your green beans may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your green beans indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Herndon. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Herndon is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Herndon last frost occurs after April 15 so make sure that you are prepared to cover your green beans in the event of a late frost.

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.