The USDA Zone info is a great tool for gardeners to help us estimate your gardening 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 Rock Hill can be used to estimate when you can plant salvia.

Planting Calendar for Salvia

Frost tolerance for salvia:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since salvia do ok in moderate cold you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant salvia in Rock Hill is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant salvia and expect a good harvest is probably August. If you wait any later than that and your salvia may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your salvia indoors.

Last Frost Date

In Rock Hill the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 10°F.

Just be sure to remember that USDA zone info for Rock Hill is just an average and the actual date of last frost will vary from year to year. Since half of the time in Rock Hill last frost occurs after March 15 be ready to cover your salvia in the event of a surprise late frost.

USDA Zone Info for Rock Hill

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 Rock Hill

You may be interested in your other planting guides for Rock Hill.