One of the first steps you take when you are making a decision about 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.

In Marine City you can estimate when it's a good idea to plant string beans by using 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 has passed.

You really shouldn't plant string beans until after the last frost because they do not do well in cold weather.

The earliest that you can plant string beans in Marine City 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. Any later than that and 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 Marine City. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Marine City may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Marine City last frost occurs after April 15 so always be ready to cover your string beans in the event of a late frost.

USDA Zone Info for Marine City

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 Marine City

You may be interested in your other planting guides for Marine City.