Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of estimating when it's a good idea to plant arabis is to check out the USDA zone info for Justice.

Planting Calendar for Arabis

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

Since arabis are one of those plants that can tolerate quite a bit of cold weather you can plant them quite a bit earlier in the year than other frost tender plants.

The earliest that you can plant arabis 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 arabis and expect a good harvest is probably September. Any later than that and your arabis may not have a chance to fully mature. You can get started a little bit earlier by starting your arabis indoors.

Last Frost Date

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

Since the USDA zone info for Justice is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Justice you get a frost after April 15 be ready to cover your arabis in the event of one of those late frosts.

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.