The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant artemesia in Zone 12a should be figured out by using the USDA zone info.

Planting Calendar for Artemesia

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

You can plant artemesia a bit earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant artemesia in Zone 12a is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant artemesia and expect a good harvest is probably November. Any later than that and your artemesia may not have a chance to really do well. If you are starting your artemesia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Zone 12a it never frosts. In the coldest months of winter you should expect an average low temperature of 50°F.

Since the USDA zone info for Zone 12a is an average the actual date of last frost changes from year to year. Since it never frosts in Zone 12a you do not have to be ready to protect your artemesia in the event of one of those late frosts.

USDA Zone Info for Zone 12a

Here is the info for USDA Zone 12a.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	50°F
Highest Expected Low	55°F

This means that on a really cold year, the coldest it will get is 50°F. On most years you should be prepared to experience lows near 55°F.

Plants to Grow in Zone 12a

You may be interested in your other planting guides for Zone 12a.