Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of determining when it's a good idea to plant trailing portulaca is to examine the USDA zone info for Zone 11b.

Planting Calendar for Trailing Portulaca

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

Trailing Portulaca are not cold tolerant which tells us that it's important to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant trailing portulaca in Zone 11b 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 trailing portulaca and expect a good harvest is probably November. If you wait any later than that and your trailing portulaca may not have a chance to grow to maturity. If you are starting your trailing portulaca indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Zone 11b it never frosts. In the coldest months of winter you should expect an average low temperature of 45°F.

Remember that USDA zone info for Zone 11b is an average and the actual date of last frost is different every year. Since it never frosts in Zone 11b you do not have to be ready to cover your trailing portulaca if you have a surprise late frost.

USDA Zone Info for Zone 11b

Here is the info for USDA Zone 11b.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	45°F
Highest Expected Low	50°F

This means that on a really cold year, the coldest it will get is 45°F. On most years you should be prepared to experience lows near 50°F.

Plants to Grow in Zone 11b

You may be interested in your other planting guides for Zone 11b.