One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of estimating when it's possible to plant steirodiscus is to check out the USDA zone info for Zone 12a.

Planting Calendar for Steirodiscus

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

Since steirodiscus do ok in moderate cold you can plant them slightly earlier in the year than more sensitive plants.

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

Last Frost Date

In Zone 12a it never frosts. It might get as low as 50°F during the coldest months of winter.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Zone 12a and it changes from year to year. Since it never frosts in Zone 12a you do not have to be ready to protect your steirodiscus if you have a late frost.

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.