One of the best tools that you have as gardeners to help us determine 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 possible to estimate when it's the best time to plant salvia by reviewing the USDA zone info for Gardena.

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 a bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant salvia in Gardena 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. If you wait any later than that and your salvia may not have a chance to fully mature. You can get started a little bit earlier by starting your salvia indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Gardena. It might get as low as 35°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Gardena may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Gardena last frost occurs after January 31 so make sure that you are prepared to cover your salvia in the event of a surprise late frost.

USDA Zone Info for Gardena

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Gardena

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