The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of estimating when it's a good idea to plant euphorbia is to refer to the USDA zone info for Zone 12b.

Planting Calendar for Euphorbia

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

Euphorbia are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can start planting them slightly earlier than more sensitive plants.

The earliest that you can plant euphorbia 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 euphorbia and expect a good harvest is probably November. You probably don't want to wait any later than that or else your euphorbia may not have a chance to really do well. Starting your euphorbia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Zone 12b it never frosts. It might get as low as 55°F during the coldest months of winter.

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 protect your euphorbia in the event of a late frost.

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.