One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of figuring out when it's a good idea to plant green beans is to consult the USDA zone info for Caledonia.

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 has passed because they require warm weather.

The earliest that you can plant green beans in Caledonia 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 fully mature. Starting your green beans indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Caledonia. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Caledonia is just an average the actual date of last frost will vary from year to year. Since half of the time in Caledonia you get a frost after April 15 be ready to cover your green beans in the event of one of those late frosts.

USDA Zone Info for Caledonia

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 Caledonia

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