When to Plant Green beans in Monmouth, IL

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Monmouth it's a good idea to figure out when it's a good idea to plant green beans.


Planting Calendar for Green beans

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

It's not a good idea to plant green beans until after the last frost because they require warm weather.

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 Monmouth 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. If you wait any later than that and your green beans may not have a chance to grow to maturity. You can get started a little bit earlier by starting your green beans indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Monmouth. You should expect an average low temperature of -15°F in the coldest months of winter.

Remember that USDA zone info for Monmouth is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Monmouth you get a frost after April 15 so be sure to be ready to protect your green beans in the event of a late frost.

USDA Zone Info for Monmouth

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 Monmouth

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