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.

A common way of figuring out when it's possible to plant runner beans is to examine the USDA zone info for Greencastle.

Planting Calendar for Runner beans

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

Since runner beans require warm weather it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant runner beans in Greencastle 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. If you wait any later than that and your runner beans may not have a chance to fully mature. You can get started a few weeks earlier by starting your runner beans indoors.

Last Frost Date

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

Remember that USDA zone info for Greencastle may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Greencastle you get surprised by a frost after April 15 be ready to protect your runner beans in the event of a surprise late frost.

USDA Zone Info for Greencastle

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 Greencastle

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