One of the first steps you take when you are figuring out 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.

The first chance to plant green beans in Columbus should be figured out 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 all chance of frost has passed.

Since green beans are not cold tolerant you really should wait until after the last frost before you can plant them.

The earliest that you can plant green beans in Columbus 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 couple of weeks earlier by starting your green beans indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Columbus. You should expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Columbus is an average and the actual date of last frost is different every year. Since half of the time in Columbus it frosts late in the year after April 15 be ready to protect your green beans in the event of one of those late frosts.

USDA Zone Info for Columbus

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 Columbus

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