Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant black eyed susans in Zone 12b should be estimated by checking out the USDA zone info.

Planting Calendar for Black Eyed Susans

Frost tolerance for black eyed susans:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

It's probably a bad idea to plant black eyed susans until after all chance of frost has passed because they are not cold tolerant.

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

Last Frost Date

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

Since the USDA zone info for Zone 12b is just an average 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 black eyed susans in the event of 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.