When to Plant Runner beans in Dearborn Heights, MI

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant runner beans in Dearborn Heights can be figured out by using the USDA zone info.


Planting Calendar for Runner beans

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

You can not plant runner beans until after the last frost has passed because they are not cold tolerant.

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

The earliest that you can plant runner beans in Dearborn 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 runner beans and expect a good harvest is probably August. Any later than that and your runner beans may not have a chance to really do well. If you are starting your runner beans indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

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

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Dearborn Heights and it is different every year. Half of the time in Dearborn Heights you get a frost after April 15 so make sure that you are prepared to protect your runner beans in the event of one of those late frosts.

USDA Zone Info for Dearborn 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 Dearborn Heights

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