One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when it's the best time to plant runner beans in Minnetonka by referring to the USDA zone info.

Planting Calendar for Runner beans

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

You can not plant runner beans until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant runner beans in Minnetonka 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 runner beans and expect a good harvest is probably August. Any later than that and your runner beans may not have a chance to really do well. You can get started a couple of weeks earlier by starting your runner beans indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Minnetonka. It might get as low as -25°F during the coldest months of winter.

Keep in mind that USDA zone info for Minnetonka is an average and the actual date of last frost is different every year. Since half of the time in Minnetonka you get a frost after May 15 be ready to protect your runner beans in the event of one of those late frosts.

USDA Zone Info for Minnetonka

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 Minnetonka

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