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

One way of making a decision about when to plant trailing portulaca is to examine the USDA zone info for Fullerton.

Planting Calendar for Trailing Portulaca

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

Since trailing portulaca do not do well in cold weather it's important to wait until after the last frost before you can plant them.

The earliest that you can plant trailing portulaca in Fullerton 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 trailing portulaca and expect a good harvest is probably September. Any later than that and your trailing portulaca may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your trailing portulaca indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Fullerton. In the coldest months of winter you can expect an average low temperature of 30°F.

Since the USDA zone info for Fullerton may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Fullerton you get surprised by a frost after January 31 so be sure to be ready to protect your trailing portulaca if you have a late frost.

USDA Zone Info for Fullerton

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Fullerton

You may be interested in your other planting guides for Fullerton.