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

In Barnesville you can determine when to plant purple rock cress by reviewing the USDA zone info.

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.

Since purple rock cress are very cold tolerant you can plant them a lot earlier in the year than more sensitive plants.

The earliest that you can plant purple rock cress in Barnesville 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. Any later than that and your purple rock cress may not have a chance to really do well. Starting your purple rock cress indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost has passed is on March 15 in Barnesville. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Barnesville may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Barnesville there is a last frost after March 15 be ready to protect your purple rock cress in the event of a late frost.

USDA Zone Info for Barnesville

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Barnesville

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