Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

One way of determining when you can plant string beans is to check out the USDA zone info for Louisville.

Planting Calendar for String beans

Frost tolerance for string 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 string beans until after the last frost has passed because they require warm weather.

The earliest that you can plant string beans in Louisville 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. You can get started a little bit earlier by starting your string beans indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Louisville. In the coldest months of winter you should expect an average low temperature of 0°F.

Remember that USDA zone info for Louisville may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Louisville you get a frost after April 15 be ready to cover your string beans in the event of a surprise late frost.

USDA Zone Info for Louisville

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Louisville

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