The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. 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 making a decision about when to plant string beans is to look at the USDA zone info for De Pere.

Planting Calendar for String beans

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

String beans require warm weather which means that it is important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant string beans in De Pere 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 few weeks earlier by starting your string beans indoors.

Last Frost Date

The average date of last frost is April 15 in De Pere. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for De Pere is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in De Pere you get surprised by a frost after April 15 be ready to cover your string beans in the event of a surprise late frost.

USDA Zone Info for De Pere

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 De Pere

You may be interested in your other planting guides for De Pere.