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.

By using the USDA zone info for Davenport you should be able to determine when to plant string beans.

Planting Calendar for String beans

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

Since string beans require warm weather you really should wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant string beans in Davenport 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. You can get started a couple of weeks earlier by starting your string beans indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Davenport is an average and the actual date of last frost changes from year to year. Since half of the time in Davenport you get a frost after April 15 be ready to cover your string beans in the event of one of those late frosts.

USDA Zone Info for Davenport

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 Davenport

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