When to Plant Snap beans in Keene, NH

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Keene should be reffered to in order to estimate when it's a good idea to plant snap beans.


Planting Calendar for Snap beans

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

Snap beans do not do well in cold weather which tells us that you really should wait until it warms up after all chance of frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
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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 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 snap beans and expect a good harvest is probably August. Any later than that and your snap beans may not have a chance to fully mature. If you are starting your snap beans indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Keene. In the coldest months of winter you can expect an average low temperature of -15°F.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Keene and it is different every year. Half of the time in Keene last frost occurs after April 15 so be sure to be ready to cover your snap beans if you have 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.