Before planting it is a good idea to find your USDA Zone info to estimate 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 opportunity to plant green beans in River Falls should be determined by checking out 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.

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

The earliest that you can plant green beans in River Falls 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

In River Falls the average date of last frost happens on May 15. In the coldest months of winter you should expect an average low temperature of -25°F.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for River Falls and it can change quite a bit from year to year. Since half of the time in River Falls you get a frost after May 15 be ready to protect your green beans in the event of a surprise late frost.

USDA Zone Info for River Falls

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 River Falls

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