When can I plant Trailing Portulaca in Zone 9b

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

In Zone 9b you can determine when it's possible to plant trailing portulaca by reviewing the USDA zone info.


Planting Calendar for Trailing Portulaca

Frost tolerance for trailing portulaca: Not tolerant of frost.
When you should plant them: After all chance of frost has passed.

It's probably a bad idea to plant trailing portulaca until after the last frost because they require warm weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant trailing portulaca
Possibly ok, but a risky time to plant trailing portulaca
Probably not a good time to plant trailing portulaca

The earliest that you can plant trailing portulaca in Zone 9b is March. However, you really should wait until April 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 September. Any later than that and your trailing portulaca may not have a chance to really do well. You can get started a little bit earlier by starting your trailing portulaca indoors.

Last Frost Date

On average the last frost is on February 15 in Zone 9b. It might get as low as 25°F during the coldest months of winter.

Keep in mind that our actual date of last frost is an average because it is based on the USDA zone info for Zone 9b and it is different every year. Half of the time in Zone 9b we get surprised by a frost after February 15 so just be sure to be ready to protect your trailing portulaca in the event of a surprise late frost.

USDA Zone Info for Zone 9b

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Zone 9b

You may be interested in our other planting guides for Zone 9b.