One of the best tools that you have as gardeners to help us estimate 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.

The USDA zone info for Zone 12b should be reffered to in order to estimate when it's possible to plant portulaca.

Planting Calendar for Portulaca

Frost tolerance for portulaca:	Not tolerant of frost.
When to plant:	After the last frost has passed.

It's probably a bad idea to plant portulaca until after all chance of frost has passed because they require warm weather.

The earliest that you can plant portulaca 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 portulaca and expect a good harvest is probably November. If you wait any later than that and your portulaca may not have a chance to really do well. You can get started a couple of weeks earlier by starting your portulaca 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.

Always keep in mind that USDA zone info for Zone 12b is not always accurate and the actual date of last frost will vary from year to year. Since it never frosts in Zone 12b you do not have to be ready to protect your portulaca if you have a surprise 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.