One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to figure out when it's a good idea to plant string beans by checking out the USDA zone info for Wausau.

Planting Calendar for String beans

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

Since string beans do not do well in cold weather it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant string beans in Wausau 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. If you wait any later than that and your string beans may not have a chance to really do well. You can get started a little bit earlier by starting your string beans indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Wausau. It might get as low as -25°F during the coldest months of winter.

Since the USDA zone info for Wausau is not always accurate the actual date of last frost changes from year to year. Half of the time in Wausau you get surprised by a frost after May 15 so always be ready to protect your string beans if you have one of those late frosts.

USDA Zone Info for Wausau

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 Wausau

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