One of the first steps you take when you are estimating your gardening schedule is find your 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.

By reviewing the USDA zone info for Zone 12b you will be able to figure out when it's a good idea to plant xerianthemum.

Planting Calendar for Xerianthemum

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

Xerianthemum can survive in very little cold which means that you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant xerianthemum in Zone 12b 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 xerianthemum and expect a good harvest is probably November. You probably don't want to wait any later than that or else your xerianthemum may not have a chance to really do well. You can get started a little bit earlier by starting your xerianthemum indoors.

Last Frost Date

In Zone 12b it never frosts. In the coldest months of winter you can expect an average low temperature of 55°F.

It's important to remember that USDA zone info for Zone 12b is an average and the actual date of last frost changes from year to year. Since it never frosts in Zone 12b you do not have to be ready to cover your xerianthemum if you have one of those late frosts.

USDA Zone Info for Zone 12b

Here is the info for USDA Zone 12b.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	55°F
Highest Expected Low	60°F

This means that on a really cold year, the coldest it will get is 55°F. On most years you should be prepared to experience lows near 60°F.

Plants to Grow in Zone 12b

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