One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant trailing portulaca in Zone 13b can be figured out by using the USDA zone info.

Planting Calendar for Trailing Portulaca

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

Trailing Portulaca are not cold tolerant which tells us that you really should wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant trailing portulaca in Zone 13b 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. You probably don't want to wait any later than that or else your trailing portulaca may not have a chance to really do well. 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 13b it never frosts. You should expect an average low temperature of 65°F in the coldest months of winter.

Since the USDA zone info for Zone 13b is an average the actual date of last frost can change quite a bit from year to year. Since it never frosts in Zone 13b you do not have to be ready to protect your trailing portulaca if you have one of those late frosts.

USDA Zone Info for Zone 13b

Here is the info for USDA Zone 13b.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	65°F
Highest Expected Low	70°F

This means that on a really cold year, the coldest it will get is 65°F. On most years you should be prepared to experience lows near 70°F.

Plants to Grow in Zone 13b

You may be interested in your other planting guides for Zone 13b.