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.

The earliest that you can plant pole beans in Zone 2b should be estimated by reviewing the USDA zone info.

Planting Calendar for Pole beans

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

Since pole beans require warm weather you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant pole beans in Zone 2b 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 pole beans and expect a good harvest is probably August. You probably don't want to wait any later than that or else your pole beans may not have a chance to really do well. If you are starting your pole beans indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Zone 2b the average date of last frost happens on May 15. In the coldest months of winter you can expect an average low temperature of -45°F.

Since the USDA zone info for Zone 2b may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Zone 2b you get a frost after May 15 be ready to protect your pole beans in the event of one of those late frosts.

USDA Zone Info for Zone 2b

Here is the info for USDA Zone 2b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	August 15
Lowest Expected Low	-45°F
Highest Expected Low	-40°F

This means that on a really cold year, the coldest it will get is -45°F. On most years you should be prepared to experience lows near -40°F.

Plants to Grow in Zone 2b

You may be interested in your other planting guides for Zone 2b.