One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

The USDA zone info for Plainfield can be read to estimate when it's a good idea to plant string beans.

Planting Calendar for String beans

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

You should not plant string beans until after the last frost when the weather gets warmer because they are not cold tolerant.

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

Last Frost Date

On average the last frost is on April 15 in Plainfield. You can expect an average low temperature of 0°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost is just an average because it is based on the USDA zone info for Plainfield and it will vary from year to year. Half of the time in Plainfield you get a frost after April 15 so make sure that you are prepared to cover your string beans if you have a late frost.

USDA Zone Info for Plainfield

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Plainfield

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