The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Sterling Heights you can estimate when to plant string beans by looking at the USDA zone info.

Planting Calendar for String beans

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

You really shouldn't plant string beans until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant string beans in Sterling Heights 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 fully mature. Starting your string beans indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Sterling Heights. It might get as low as -10°F during the coldest months of winter.

Remember that USDA zone info for Sterling Heights is not always accurate and the actual date of last frost is different every year. Half of the time in Sterling Heights it frosts late in the year after April 15 so make sure that you are prepared to cover your string beans in the event of a late frost.

USDA Zone Info for Sterling Heights

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Sterling Heights

You may be interested in your other planting guides for Sterling Heights.