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When to Plant String beans in Steamboat Springs, CO

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant string beans in Steamboat Springs should be determined by using the USDA zone info.


Planting Calendar for String beans

Frost tolerance for string beans: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

String beans require warm weather which means that you really should wait until it warms up after the last frost before you can plant them.

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

The earliest that you can plant string beans in Steamboat Springs 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 string beans and expect a good harvest is probably August. Any later than that and your string beans may not have a chance to grow to maturity. If you are starting your string 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 May 15 in Steamboat Springs. In the coldest months of winter you should expect an average low temperature of -25°F.

It's important to remember that the actual date of last frost is an average because it is based on the USDA zone info for Steamboat Springs and it changes from year to year. Since half of the time in Steamboat Springs it frosts late in the year after May 15 be ready to cover your string beans if you have one of those late frosts.

USDA Zone Info for Steamboat Springs

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 Steamboat Springs

You may be interested in your other planting guides for Steamboat Springs.