The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of getting a good idea when to plant purple rock cress is to consult the USDA zone info for Huntersville.

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 do ok in pretty solid cold which tells us that you can plant them earlier in the year than more sensitive plants.

The earliest that you can plant purple rock cress in Huntersville 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 grow to maturity. You can get started a little bit earlier by starting your purple rock cress indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Huntersville. You should expect an average low temperature of 5°F in the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Huntersville and it can change quite a bit from year to year. Since half of the time in Huntersville it frosts late in the year after April 15 be ready to protect your purple rock cress in the event of one of those late frosts.

USDA Zone Info for Huntersville

Here is the info for USDA Zone 7b.

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

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

Plants to Grow in Huntersville

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