Trichostema lanatum (woolly blue curls) grows to three to five feet high and four to eight feet wide. The dark green leaves are pungent when bruised. The purple flowers are fuzzy and appear in spring. The plant will continue to bloom during summer and autumn if it is deadheaded. Trichostema takes full sun and needs no supplemental water once established. It does, however, require extremely good drainage.
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…
Rhamnus californica, or coffeeberry, is an evergreen shrub that can grow from three to fifteen feet, depending on the variety and the climate in which it is planted. The common name comes from the berries that turn black once they have ripened. It is not particular about soil and can take sun or partial shade. …
Another diverse and useful genus is Salvia. The Clevelandii group includes ‘Allen Chickering’, ‘Whirly Blue’, ‘Pozo Blue’ and ‘Winifred Gilman’. In need of an attractive, drought tolerant ground cover? Try ‘Bee’s Bliss’. This salvia has gray green leaves with lavender flowers in spring; it will spread three to four feet wide or more. Salvia spathacea (Hummingbird sage) A…
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…
