When to Plant String beans in Elk River, MN

The USDA Zone info is a great tool for gardeners to help us estimate 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.

It's possible to determine when it's possible to plant string beans by referring to the USDA zone info for Elk River.

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Planting Calendar for String beans

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

It's probably not a good idea to plant string beans until after the last frost because they are not cold tolerant.

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 Elk River 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. You probably don't want to wait any later than that or else your string beans may not have a chance to fully mature. You can get started a little bit earlier by starting your string beans indoors.

Last Frost Date

The average date of last frost is May 15 in Elk River. In the coldest months of winter you can expect an average low temperature of -25°F.

It's important to remember that USDA zone info for Elk River is an average and the actual date of last frost will vary from year to year. Half of the time in Elk River you get surprised by a frost after May 15 so always be ready to cover your string beans in the event of a late frost.

USDA Zone Info for Elk River

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 Elk River

You may be interested in your other planting guides for Elk River.