One of the first steps you take when you are figuring out 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 Jefferson should be read to figure out when it's possible to plant green beans.

Planting Calendar for Green beans

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

It's not a good idea to plant green beans until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant green beans in Jefferson 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 fully mature. You can get started a few weeks earlier by starting your green beans indoors.

Last Frost Date

The average date of last frost is April 15 in Jefferson. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Jefferson is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Jefferson last frost occurs after April 15 be ready to protect your green beans in the event of one of those late frosts.

USDA Zone Info for Jefferson

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Jefferson

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