The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Perris you can determine when to plant aubretia by looking at the USDA zone info.

Planting Calendar for Aubretia

Frost tolerance for aubretia:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Aubretia do ok in cold weather which tells us that you can plant them much earlier in the year than more sensitive plants.

The earliest that you can plant aubretia in Perris is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant aubretia and expect a good harvest is probably October. Any later than that and your aubretia may not have a chance to really do well. If you are starting your aubretia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Perris. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Perris is an average the actual date of last frost will vary from year to year. Half of the time in Perris last frost occurs after February 15 so make sure that you are prepared to cover your aubretia if you have a late frost.

USDA Zone Info for Perris

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 Low	25°F
Highest Expected Low	30°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 Perris

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