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.

By reviewing the USDA zone info for Smithfield you will be able to estimate when it's a good idea 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 when the weather gets warmer.

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

The earliest that you can plant green beans in Smithfield 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 little bit earlier by starting your green beans indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Smithfield. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Smithfield may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Smithfield there is a last frost after March 15 so always be ready to protect your green beans in the event of a late frost.

USDA Zone Info for Smithfield

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Smithfield

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