One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to figure out when you can plant rock cress by checking out the USDA zone info for Newberry.

Planting Calendar for Rock Cress

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

Rock Cress are very cold tolerant which tells us that you can get them planted much earlier than more sensitive plants.

The earliest that you can plant rock cress in Newberry 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. Any later than that and your rock cress may not have a chance to grow to maturity. If you are starting your rock cress indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Newberry. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Newberry is not always accurate the actual date of last frost changes from year to year. Half of the time in Newberry it frosts late in the year after March 15 so just be sure to be ready to cover your rock cress if you have a late frost.

USDA Zone Info for Newberry

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 Newberry

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