Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A way of determining when it's the best time to plant salvia is to look at the USDA zone info for Centralia.

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 moderate cold which tells us that you can start planting them slightly earlier than other frost tender plants.

The earliest that you can plant salvia in Centralia 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. Any later than that and your salvia may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your salvia indoors.

Last Frost Date

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

Since the USDA zone info for Centralia is not always accurate the actual date of last frost is different every year. Half of the time in Centralia you get a frost after March 15 so be sure to be ready to protect your salvia in the event of one of those late frosts.

USDA Zone Info for Centralia

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 Centralia

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