The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of making a decision about when it's the best time to plant indian cress is to check out the USDA zone info for Louisville.

Planting Calendar for Indian cress

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

It's probably not a good idea to plant indian cress until after the last frost because they do not do well in cold weather.

The earliest that you can plant indian cress 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 indian cress and expect a good harvest is probably August. You probably don't want to wait any later than that or else your indian cress may not have a chance to fully mature. Starting your indian cress indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Louisville. You can expect an average low temperature of 0°F in the coldest months of winter.

Keep in mind that USDA zone info for Louisville is not always accurate 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 indian cress in the event of one of those late frosts.

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.