Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. 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 portulaca in Hawaiian Gardens should be estimated by referring to the USDA zone info.

Planting Calendar for Portulaca

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

Since portulaca are not cold tolerant it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant portulaca in Hawaiian Gardens is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant portulaca and expect a good harvest is probably September. You probably don't want to wait any later than that or else your portulaca may not have a chance to fully mature. Starting your portulaca indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Hawaiian Gardens the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 35°F.

Just be sure to remember that USDA zone info for Hawaiian Gardens is an average and the actual date of last frost changes from year to year. Half of the time in Hawaiian Gardens you get a frost after January 31 so always be ready to cover your portulaca in the event of a surprise late frost.

USDA Zone Info for Hawaiian Gardens

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Hawaiian Gardens

You may be interested in your other planting guides for Hawaiian Gardens.