The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to estimate when you can plant trailing portulaca by using the USDA zone info for Mission Viejo.

Planting Calendar for Trailing Portulaca

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

Since trailing portulaca require warm weather you really should wait until after the last frost before you can plant them.

The earliest that you can plant trailing portulaca in Mission Viejo 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 really do well. You can get started a little bit earlier by starting your trailing portulaca indoors.

Last Frost Date

In Mission Viejo the average date of last frost happens on January 31. In the coldest months of winter you should expect an average low temperature of 35°F.

Since the USDA zone info for Mission Viejo may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Mission Viejo you get surprised by a frost after January 31 so make sure that you are prepared to protect your trailing portulaca if you have a surprise late frost.

USDA Zone Info for Mission Viejo

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 Mission Viejo

You may be interested in your other planting guides for Mission Viejo.