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

The USDA zone info for Demarest should be reviewed to estimate when it's the best time to plant purple rock cress.

Planting Calendar for Purple Rock Cress

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

Purple Rock Cress can survive in cold weather which tells us that you can plant them earlier in the year than other frost tender plants.

The earliest that you can plant purple rock cress in Demarest 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 purple rock cress and expect a good harvest is probably September. You probably don't want to wait any later than that or else your purple rock cress may not have a chance to fully mature. If you are starting your purple rock cress indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Demarest. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Demarest is an average the actual date of last frost changes from year to year. Half of the time in Demarest it frosts late in the year after April 15 so be sure to be ready to protect your purple rock cress if you have a late frost.

USDA Zone Info for Demarest

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 Demarest

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