One of the first steps you take when you are getting a good idea 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.

A common way of determining when you can plant string beans is to look at the USDA zone info for Green Bay.

Planting Calendar for String beans

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

Since string beans require warm weather you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant string beans in Green Bay is April. However, you really should wait until May 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 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 when the weather gets warmer is on April 15 in Green Bay. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Green Bay is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Green Bay there is a last frost after April 15 so make sure that you are ready to protect your string beans if you have one of those late frosts.

USDA Zone Info for Green Bay

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Green Bay

You may be interested in your other planting guides for Green Bay.