One of the best tools that you have as gardeners to help us estimate 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.

One way of estimating when you can plant salvia is to look at the USDA zone info for Florence.

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.

Salvia do ok in very little cold which tells us that you can plant them slightly earlier in the year than other plants that might not handle the cold.

The earliest that you can plant salvia in Florence 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

On average the last frost when the weather gets warmer is on April 15 in Florence. It might get as low as -10°F during the coldest months of winter.

Always keep in mind that USDA zone info for Florence is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Florence it frosts late in the year after April 15 be ready to cover your salvia if you have one of those late frosts.

USDA Zone Info for Florence

Here is the info for USDA Zone 6a.

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

Plants to Grow in Florence

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