When to Plant Pole beans in Milliken, CO

The USDA Zone info is a great tool for gardeners to help us determine 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 first chance to plant pole beans in Milliken should be determined by looking at 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 has passed.

You can not plant pole beans until after the last frost when the weather gets warmer 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 Milliken is April. However, you really should wait until May 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. Any later than that and your pole beans may not have a chance to fully mature. You can get started a little bit earlier by starting your pole beans indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Milliken is just an average and the actual date of last frost changes from year to year. Half of the time in Milliken there is a last frost after April 15 so be sure to be ready to cover your pole beans in the event of one of those late frosts.

USDA Zone Info for Milliken

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Milliken

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