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When to Plant String beans in Manitou Springs, CO

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By checking out the USDA zone info for Manitou Springs you will be able to determine when it's possible to plant string beans.

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Planting Calendar for String beans

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

Since string beans are not cold tolerant it's necessary to wait until after all chance of frost has passed 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 Manitou Springs 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 string beans and expect a good harvest is probably August. You probably don't want to wait any later than that or else your string beans may not have a chance to fully mature. If you are starting your string beans indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Manitou Springs. In the coldest months of winter you should expect an average low temperature of -15°F.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Manitou Springs and it changes from year to year. Half of the time in Manitou Springs there is a last frost after April 15 so be sure to be ready to cover your string beans if you have a surprise late frost.

USDA Zone Info for Manitou Springs

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 Manitou Springs

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