When can I plant Pole beans in Zone 1a

The USDA Zone info is a great tool for gardeners to help us estimate our gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

The USDA zone info for Zone 1a should be looked at to figure out when it's possible to plant pole beans.


Planting Calendar for Pole beans

Frost tolerance for pole beans: Not tolerant of frost.
When you should plant them: After all chance of frost has passed.

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

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

The earliest that you can plant pole beans in Zone 1a is June. However, you really should wait until July 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 July. You probably don't want to wait any later than that or else your pole beans may not have a chance to grow to maturity. If you are starting your pole beans indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on June 15 in Zone 1a. In the coldest months of winter we should expect an average low temperature of -60°F.

Always keep in mind that USDA zone info for Zone 1a is an average and our actual date of last frost can change quite a bit from year to year. Since half of the time in Zone 1a there is a last frost after June 15 be ready to protect your pole beans in the event of a surprise late frost.

USDA Zone Info for Zone 1a

Here is the info for USDA Zone 1a.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-60°F
Highest Expected Low-55°F

This means that on a really cold year, the coldest it will get is -60°F. On most years you should be prepared to experience lows near -55°F.

Plants to Grow in Zone 1a

You may be interested in our other planting guides for Zone 1a.