One of the best tools that you have as gardeners to help us figure out 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.

In Ligonier you can figure out when it's the best time to plant string beans by referring to the USDA zone info.

Planting Calendar for String beans

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

It's probably a bad idea to plant string beans until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant string beans in Ligonier 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 string beans and expect a good harvest is probably August. If you wait any later than that and your string beans may not have a chance to grow to maturity. If you are starting your string beans indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Ligonier. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Ligonier may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Ligonier you get surprised by a frost after April 15 be ready to cover your string beans if you have a surprise late frost.

USDA Zone Info for Ligonier

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 Ligonier

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