Arctostaphylos (manzanita)

For the shade, try Heuchera maxima, a cream flowering coral bell that looks great under oak trees and needs very little water.

Mimulus aurantiacus, or monkey flower, grows to about four feet and blooms in a wide range of colors from white to dark red.  It likes sun or part shade, good drainage and little water.

The Matilija poppy (Romneya coulteri) is one of the most spectacular California native plants. Getting it started can be difficult, but once established, it requires no irrigation and may, in fact, need to be watched so as not to take over your garden.

There are many species of Ribes, both evergreen and deciduous.  A very nice evergreen species is Ribes viburnifolium with roundish, dark green leaves and dark red stems.  It needs no irrigation, making it ideal for planting under oaks.  It grows three to six feet tall and can spread to twelve feet. A lovely deciduous species is…

Heteromeles arbutifolia, or toyon, is an evergreen native shrub with thick, leathery leaves.  The flat heads of white flowers in spring attract bees and the bright red berries that follow are favored by birds.  Toyon usually grows as a dense shrub to six to ten feet tall and wide, but can also be trained as…

Buckwheats provide color spring and summer. Eriogonum umbellatum (sulphur buckwheat) sports bright yellow flowers in spring. Eriogonum giganteum (St. Catherine’s Lace) is topped with creamy clusters of flower sprays reaching as high as five feet. The star of the genus, Eriogonum grande var. rubescens (rosy buckwheat) displays rosy buttons atop rounded gray-green leaves for most of…