One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to estimate when you can plant rock cress by checking out the USDA zone info for Valdosta.

Planting Calendar for Rock Cress

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

Since rock cress are very cold tolerant you can plant them earlier in the year than other plants that might not handle the cold.

The earliest that you can plant rock cress in Valdosta 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. If you wait any later than that and your rock cress may not have a chance to fully mature. If you are starting your rock cress indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on March 15 in Valdosta. In the coldest months of winter you should expect an average low temperature of 15°F.

Just be sure to remember that USDA zone info for Valdosta is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Valdosta you get a frost after March 15 so make sure that you are ready to cover your rock cress if you have one of those late frosts.

USDA Zone Info for Valdosta

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Valdosta

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