Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Marinette you can figure out when it's possible to plant string beans by checking out the USDA zone info.

Planting Calendar for String beans

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

Since string beans are not cold tolerant you need to wait until after the last frost before you can plant them.

The earliest that you can plant string beans in Marinette 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. If you wait any later than that and your string beans may not have a chance to fully mature. Starting your string beans indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Marinette. In the coldest months of winter you can expect an average low temperature of -15°F.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Marinette and it is different every year. Since half of the time in Marinette you get a frost after April 15 be ready to protect your string beans in the event of a surprise late frost.

USDA Zone Info for Marinette

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Marinette

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