When to Plant Scarlet Runner Beans in Sturgis, MI

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Sturgis you can determine when it's a good idea to plant scarlet runner beans by looking at the USDA zone info.


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 probably not a good idea to plant scarlet runner beans until after the last frost has passed because they are not cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant scarlet runner beans
Possibly ok, but a risky time to plant scarlet runner beans
Probably not a good time to plant scarlet runner beans

The earliest that you can plant scarlet runner beans in Sturgis 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. If you wait any later than that and your scarlet runner beans may not have a chance to fully mature. You can get started a little bit earlier by starting your scarlet runner beans indoors.

Last Frost Date

On average the last frost is on April 15 in Sturgis. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that USDA zone info for Sturgis 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 Sturgis you get a frost after April 15 be ready to cover your scarlet runner beans in the event of a surprise late frost.

USDA Zone Info for Sturgis

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 Sturgis

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