One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to determine when it's possible to plant green beans by referring to the USDA zone info for Winona.

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 a bad idea to plant green beans until after the last frost because they do not do well in cold weather.

The earliest that you can plant green beans in Winona 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 fully mature. Starting your green beans indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is May 15 in Winona. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Winona is an average the actual date of last frost will vary from year to year. Since half of the time in Winona you get a frost after May 15 be ready to protect your green beans if you have one of those late frosts.

USDA Zone Info for Winona

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 Winona

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