When to Plant Green beans in Keene, NH

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. 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 Keene should be used to determine 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 all chance of frost has passed.

It's probably a bad idea to plant green beans until after the last frost has passed because they require warm weather.

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

The earliest that you can plant green beans in Keene 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. You probably don't want to wait any later than that or else your green beans may not have a chance to fully mature. If you are starting your green beans indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Remember that USDA zone info for Keene is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Keene you get surprised by a frost after April 15 be ready to cover your green beans in the event of one of those late frosts.

USDA Zone Info for Keene

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

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

Plants to Grow in Keene

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