One of the first steps you take when you are estimating 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.

It's possible to estimate when it's possible to plant scarlet runner beans by using the USDA zone info for Lake Zurich.

Planting Calendar for Scarlet Runner Beans

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

It's a bad idea to plant scarlet runner beans until after the last frost because they require warm weather.

The earliest that you can plant scarlet runner beans in Lake Zurich 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 scarlet runner beans and expect a good harvest is probably August. Any later than that and your scarlet runner beans may not have a chance to really do well. Starting your scarlet runner beans indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Lake Zurich. In the coldest months of winter you should expect an average low temperature of -15°F.

It's important to remember that USDA zone info for Lake Zurich may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Lake Zurich it frosts late in the year after April 15 be ready to protect your scarlet runner beans if you have a surprise late frost.

USDA Zone Info for Lake Zurich

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 Lake Zurich

You may be interested in your other planting guides for Lake Zurich.