When to Plant Snap beans in Buffalo, MN

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for Buffalo it's a good idea 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 all chance of frost has passed.

Since snap beans require warm weather you must wait until after the last frost when the weather gets warmer before you can plant them.

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 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 really do well. You can get started a few weeks earlier by starting your snap beans indoors.

Last Frost Date

The average date of last frost is May 15 in Buffalo. In the coldest months of winter you can expect an average low temperature of -25°F.

Always keep in mind that USDA zone info for Buffalo may not be accurate from year to year and the actual date of last frost changes 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 if you have one of those late frosts.

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.