Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when it's possible to plant salvia is to examine the USDA zone info for Galveston.

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 are barely cold tolerant you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant salvia in Galveston 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 salvia and expect a good harvest is probably September. Any later than that and your salvia may not have a chance to fully mature. If you are starting your salvia indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Galveston the average date of last frost happens on February 15. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Galveston may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Galveston it frosts late in the year after February 15 so just be sure to be ready to cover your salvia if you have a late frost.

USDA Zone Info for Galveston

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Galveston

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