When to Plant Green beans in Mendota, IL

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

In Mendota you can figure out when it's the best time to plant green beans by looking at the USDA zone info.


Planting Calendar for Green beans

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

Since green beans require warm weather it's necessary to wait until after all chance of frost has passed before you can plant them.

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

The earliest that you can plant green beans in Mendota 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 green beans and expect a good harvest is probably August. You probably don't want to wait any later than that or else your green beans may not have a chance to really do well. You can get started a little bit earlier by starting your green beans indoors.

Last Frost Date

The average date of last frost is April 15 in Mendota. In the coldest months of winter you can expect an average low temperature of -15°F.

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 Mendota and it can change quite a bit from year to year. Since half of the time in Mendota there is a last frost after April 15 be ready to protect your green beans in the event of a late frost.

USDA Zone Info for Mendota

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 Mendota

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