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.

It's possible to determine when it's a good idea to plant portulaca by referring to the USDA zone info for Pico Rivera.

Planting Calendar for Portulaca

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

It's not a good idea to plant portulaca until after the last frost because they are not cold tolerant.

The earliest that you can plant portulaca in Pico Rivera 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 really do well. Starting your portulaca indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Pico Rivera. You can expect an average low temperature of 35°F in the coldest months of winter.

Since the USDA zone info for Pico Rivera may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Pico Rivera it frosts late in the year after January 31 be ready to protect your portulaca in the event of a surprise late frost.

USDA Zone Info for Pico Rivera

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 Pico Rivera

You may be interested in your other planting guides for Pico Rivera.