When to Plant Green beans in Sidney, MT

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 earliest that you can plant green beans in Sidney can be figured out by looking at the USDA zone info.


Planting Calendar for Green beans

Frost tolerance for green beans: Not tolerant of frost.
When to plant: After all chance of frost has passed.

You really shouldn't plant green beans until after the last frost has passed because they are not cold tolerant.

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

The earliest that you can plant green beans in Sidney 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 green beans and expect a good harvest is probably August. Any later than that and your green beans may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your green beans indoors.

Last Frost Date

The average date of last frost is May 15 in Sidney. It might get as low as -30°F during the coldest months of winter.

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 Sidney and it is different every year. Half of the time in Sidney last frost occurs after May 15 so just be sure to be ready to cover your green beans in the event of one of those late frosts.

USDA Zone Info for Sidney

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-30°F
Highest Expected Low-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Sidney

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