When to Plant Snap beans in Harriman, TN

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.

You will be able to estimate when it's the best time to plant snap beans by looking at the USDA zone info for Harriman.


Planting Calendar for Snap beans

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

You really shouldn't plant snap beans until after all chance of frost has passed because they require warm weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant snap beans
Possibly ok, but a risky time to plant snap beans
Probably not a good time to plant snap beans

The earliest that you can plant snap beans in Harriman 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. You probably don't want to wait any later than that or else your snap beans may not have a chance to grow to maturity. If you are starting your snap beans indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Harriman. In the coldest months of winter you can expect an average low temperature of 0°F.

Just be sure to remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Harriman and it is different every year. Since half of the time in Harriman it frosts late in the year after April 15 be ready to protect your snap beans if you have a surprise late frost.

USDA Zone Info for Harriman

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 Low0°F
Highest Expected Low5°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 Harriman

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