One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Winthrop Harbor can be reviewed to estimate when it's a good idea to plant pole beans.

Planting Calendar for Pole beans

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

Since pole beans require warm weather it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant pole beans in Winthrop Harbor 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 pole beans and expect a good harvest is probably August. Any later than that and your pole beans may not have a chance to grow to maturity. You can get started a little bit earlier by starting your pole beans indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Winthrop Harbor is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Winthrop Harbor you get a frost after April 15 so be sure to be ready to cover your pole beans if you have a late frost.

USDA Zone Info for Winthrop Harbor

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 Winthrop Harbor

You may be interested in your other planting guides for Winthrop Harbor.