One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Buffalo you will be able to figure out when 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.

You can not plant snap beans until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant snap beans in Buffalo is May. However, you really should wait until June 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 grow to maturity. Starting your snap beans indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Buffalo. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Buffalo may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Buffalo you get a frost after May 15 be ready to cover your snap beans in the event of a late frost.

USDA Zone Info for Buffalo

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Buffalo

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