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

By referring to the USDA zone info for Justice you will be able to figure out when it's a good idea to plant rock cress.

Planting Calendar for Rock Cress

Frost tolerance for rock cress:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Rock Cress tend to make it in cold weather which tells us that you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant rock cress in Justice is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant rock cress and expect a good harvest is probably September. You probably don't want to wait any later than that or else your rock cress may not have a chance to really do well. You can get started a couple of weeks earlier by starting your rock cress indoors.

Last Frost Date

The average date of last frost is April 15 in Justice. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Justice is not always accurate the actual date of last frost changes from year to year. Since half of the time in Justice you get a frost after April 15 be ready to protect your rock cress if you have a late frost.

USDA Zone Info for Justice

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Justice

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