Abutilon palmeri
Lovely, tangerine-orange flowers and fuzzy, grey-green, heart-shaped leaves make this evergreen native a real treat for the gardener. The cup-shaped blossoms appear throughout spring, attracting butterflies, followed by striking seed pods which can accent flower arrangements. A smallish shrub, reaching 4 – 5 ft tall and wide, suitable for full sun or part shade. Plant in soil with decent drainage and water infrequently once established. While native to Southern California, it does well in our area in places which don’t drop below 25F in winter.
Achillea millefolium – inland form – Lake County seed source
A vigorous and easy to grow perennial, yarrow grows native throughout California in many plant communities. This crop is grown from seed collected from a hot inland site in Lake County. In this form, flower stems rise 18 inches above the gray ferny foliage bearing white flowers in flat topped clusters. Plant in a sunny location with moderate to a little water. Spreads by rhizomes and can form sizable clumps if happy. A good addition to the habitat garden where the flowers provide nectar for bees and butterflies and the foliage provides winter forage for birds. The foliage is deer resistant.
Achillea millefolium – inland form – Napa County seed source
A vigorous and easy to grow perennial, yarrow grows native throughout California in many plant communities. This crop is grown from seed collected from a hot inland site in Napa County. In this form, flower stems rise 18 inches above the gray ferny foliage bearing white flowers in flat topped clusters. Plant in a sunny location with moderate to a little water. Spreads by rhizomes and can form sizable clumps if happy. A good addition to the habitat garden where the flowers provide nectar for bees and butterflies and the foliage provides winter forage for birds. The foliage is deer resistant.
Achillea millefolium – inland form – Sonoma County seed source
A vigorous and easy to grow perennial, yarrow grows native throughout California in many plant communities. This crop is grown from seed collected from a hot inland site in Sonoma County. In this form, flower stems rise 18 inches above the gray ferny foliage bearing white flowers in flat topped clusters. Plant in a sunny location with moderate to a little water. Spreads by rhizomes and can form sizable clumps if happy. A good addition to the habitat garden where the flowers provide nectar for bees and butterflies and the foliage provides winter forage for birds. The foliage is deer resistant.
Acmispon (Lotus) glaber (scoparius)
Bees go nuts over the bright-yellow flowers of this California native. From spring and into summer you can find this plant covered in blooms at the edges of chaparral throughout much of California. The intricate, pea-shaped flowers, often colored burnished red as they are pollinated, emerge along wand-like stems. Deerweed usually reaches a height and width of about 2 – 3 ft. Plant in full sun to light shade. Needs good drainage and no summer water once established. A remarkable number of butterflies use this species as a larval host plant, including the bramble hairstreak, orange sulphur, funeral duskywing, silvery blue, acmon blue and the avalon hairstreak.
Adelinia (Cynoglossum) grandis
From woodlands throughout Northern and Central California comes this alluring bluebells relative. Dainty flower clusters ranging in color from periwinkle blue to lavender appear on slender stalks in the spring. The leaves are what gives this plant its name: grey-green and tongue-shaped, emerging in the winter from basal roots. Plant in bright shade and don’t water once established. Needs decent drainage. Once this plant goes to seed it will go dormant, re-emerging in late winter. A great accent plant for under the dry shade of deciduous oaks.
Adenostoma fasciculatum
Chamise is found on the poorest soils in hot, dry, exposed areas of chaparral plant communities. Bright green needle-like leaves cover this evergreen shrub. Late spring brings showy plumes of creamy white flowers in small dense sprays, persisting as they age to reddish brown. This tough shrub can grow 4-10 ft tall and wide depending on conditions. An excellent erosion control plant for tough sites where it holds soil, provides cover for wildlife and acts as a nurse plant, paving the way for the other species to get started. Plant in full sun with no water required once established.
Aesculus californica
Beautiful in all its seasons, this native tree is perfectly adapted to our summer dry climate. Broad headed, deciduous tree rapidly growing to 15 feet or more with smooth grey bark and a rounded shapely habit. Bright green palmate leaves unfurl in the spring. Striking, fragrant white to pink flowers in long spikes are followed by pear shaped fruits that split open to reveal large chestnut-brown shiny seeds dangling from branch tips. Buckeyes lose their leaves in summer to avoid the long dry season. Adaptable and tolerant of a wide range of conditions. Sun to light shade, little to no water once established. Flowers provide nectar for hummingbirds, butterflies and native bees.
Agrostis pallens
A fine textured, drought tolerant, spreading, perennial grass that forms an undulating, naturalistic, meadow look, or can be mowed and used as a lawn substitute. Native to meadows, open woodlands and forests in many plant communities in California north to British Columbia. Grows 1 -2 ft. tall with airy flower stems in late spring to early summer. May be shy to flower in shady areas. Plant in sun to light shade, with decent drainage, where it will accept both water and drought. Will go dormant in summer without irrigation. If using as a lawn substitute, it will need summer irrigation, though requiring far less than a traditional lawn. Excellent understory among trees or shrubs, for rain gardens, bio-swales, meadows or mowed as a lawn substitute. Host plant for a number of butterflies. Deer resistant.
Allium amplectens ‘Graceful Beauty’
This western native onion grows in sunny openings in forests and woodlands, often on serpentine. Narrow, fragrant leaves make way for globe shaped flower heads on sturdy stems 12 - 16 inches tall. The flower heads which emerge in late spring and early summer are made up of many starry, white florets with elegant lavender anthers and pale pink veins. Papery bracts persist after blossoms fade, adding interest. If happy can reseed readily. Attractive to bees and butterflies. Very drought tolerant. Reported to be gopher resistant, but may need further analysis. Deer resistant.
Allium falcifolium
This is one of our favorite native bulbs and it is rarely available in nurseries. In spring or summer, dense, rounded clusters of flowers, ranging in color from light to deep pink, sit atop thick, flattened stems up to 10 inches high. The strap-like leaves are few and don't distract from the chunky blooms. Needs excellent drainage and a lean, rocky soil. Once the flowers are done, allow the plant to go dormant with no irrigation. Native to rocky, sunny outcrops from Santa Cruz up to southwestern Oregon. Nestle among rocks and little succulents to show this unusual onion off to your friends. Works well in a container where its somewhat tricky requirements can be more easily met.
Allium unifolium
An adaptable and easy to grow native onion with handsome blue-green foliage. Late spring brings beautiful lavender-pink flowers on short stems 6 - 8 inches tall. Native in the Coast Range from the Central Coast, northwards. The flowers on this form have a particularly appealing saturated color. The original plants were given to us by the internationally known bulb expert and native plant horticulturist, Wayne Roderick. Fairly water tolerant, often found on seasonally moist and heavy soils. Spreads vigorously by seeds or bulb offsets. Goes dormant after bloom and will tolerate dry conditions at that time. Attractive to bees and butterflies. Reported to be gopher resistant. Deer resistant.
Amorpha californica var. napensis
A lovely and rare native shrub of the pea family, occasionally seen in woodland and chaparral communities in the coast ranges around the San Francisco Bay Area. Offering a delicate, airy quality, this deciduous shrub grows to around 6 ft. tall and wide, though can get bigger in the wild. Intricate flowers are closely set on slender spikes and are made up of tiny, intense indigo-purple petals with protruding bright orange stamens, charming on close inspection. This rare and threatened shrub is the larval food source for the California dogface butterfly, our state insect! Bees and butterflies nectar on the flowers as well. Best in lightly shaded areas with occasional to no summer water needed once established. Deer resistant.
Anisocarpus (Madia) madioides
A quiet perennial, native to woods and coniferous forests of California from sea level to 4000 ft. Dark green, narrow leaves are covered with soft hairs and form a sturdy, low, perennial clump. The bright yellow daisies top 8-10 inch flower stems over a long period, from late spring into summer. Able to thrive in dry shady conditions.May seed about in a friendly way.
Apocynum cannabinum
Native throughout much of North America, California and our own Santa Rosa Valley. Grows 3 ft. tall and spreads vigorously by roots to form large patches. Small white flowers in summer. Turns beautiful shades of yellow in the autumn then dies back to the ground in the winter. Good for wild meadow or ethnobotanical garden. Important to Native Americans who used the stems for cordage, rope, twine nets etc. Sun to light shade with some moisture. Will tolerate dry conditions after blooming. Very attractive to butterflies. BEWARE! SPREADS VIGOROUSLY!
Arbutus menziesii
A beautiful native evergreen tree which features handsome, smooth, reddish bark that peels in thin flakes. Leaves are leathery and shiny dark green. Large clusters of white flowers give way to red-orange berries that can remain into winter if the birds don't get them. It can be tricky to establish, necessitating planting in the fall. MUST have good drainage and just enough water to establish. Once established give only infrequent deep waterings or no water at all. Bees and hummingbirds love the flowers.
Arctostaphylos ‘Howard McMinn’
One of the most popular of the manzanitas, for several good reasons. It is rounded in form and profusely branched, growing 5 - 7 ft. tall. It has shiny green leaves and abundant light pink flowers. Beautiful mahogany trunks create a wonderful sculptural effect. The dense foliage responds exceptionally well to pruning - even shearing, and tolerates a far greater range of soils and watering regimes than most manzanitas.
Arctostaphylos ‘John Dourley’
A beautiful mounding manzanita growing 3-4 ft. tall and 6 ft. wide.Bluish-green leaves with gorgeous bronzy new growth, abundant pink flowers followed by red fruits make this vigorous grower a wonderful addition to the garden. Plant in sunny areas with little to no water once established. The early blooming manzanitas provide an important nectar source for hummingbirds and bees.
Arctostaphylos ‘Lester Rowntree’
A stunning manzanita named for the early native plant pioneer and groundbreaking woman, Lester Rowntree, who provided the seed. Shapely, upright branches sport bluish foliage with unusual coral-pink, urn-shaped flowers very early, often beginning in October. A special feature for an upright manzanita is the large, glossy, red berries which ripen in the summer. The reddish bark, gorgeous foliage and flowers make this an excellent candidate for sunny areas with little to no summer water once established. This selection, involving A. pajaroensis, develops into a striking specimen, growing 8-10 ft. tall and wide with time. Its early flowering period offers nectar to hummingbirds and bees when not much else native is blooming. Introduced by Rancho Santa Ana Botanic Garden.
Arctostaphylos ‘Lutsko’s Pink’
One of the very best ornamental manzanitas, named by Cal Flora for the landscape architect who introduced it: Ron Lutsko. An upright shrub 4 -7 ft. tall, with dark glossy green leaves and covered with blossoms in spring which are blushed pink. Mahogany trunks develop a beautiful contorted shape. Good for dry sunny spot.
Arctostaphylos ‘Pacific Mist’
A broadly spreading shrub, fast growing for a manzanita, eventually forming a good dense ground cover 1.5 - 2.5 ft. tall by 10 ft. wide. Handsome gray-green leaves with deep reddish-brown bark. Small clusters of white urn-shaped flowers in late winter are pretty, but it is not a heavy bloomer. This fine introduction from Rancho Santa Ana Botanic Garden is proving to be dependable and disease resistant. Plant in sun or light shade. More drought tolerant than the popular bearberries. In cool summer areas may need no additional summer water once established. In hotter inland sites,occasional deep summer waterings is best. It is believed to be a cross involving the rare Bonny Doon manzanita.
Arctostaphylos ‘Sentinel’
Somewhat more upright in habit but less dense and less uniform than Arctostaphylos 'Howard McMinn', it is a far heavier bloomer with LOTS of vivid pink blossoms and soft grey green leaves. A relatively easy and dependable manzanita, growing 6 - 8 ft. tall and wide, though reputed to be less tolerant of irrigation and heavy soils than A. ‘Howard McMinn’, the most adaptable of all manzanitas. Distinctive burgundy-colored bark. Early nectar source for hummingbirds and bumble bees.
Arctostaphylos ‘Sunset’
A handsome manzanita growing 6 ft. tall and wide with especially attractive coppery-red new growth. Flowers are urn-shaped pinkish-white. Exfoliating shaggy bark reveals smooth red toned trunks. Can be pruned to expose the beautiful sinuous branching structure. A naturally occuring hybrid discovered near Prunedale in Monterey Co. involving A. pajaroensis and A. hookeri. Tolerant of heavy soils and heat as well as occasional irrigation.
Arctostaphylos ‘White Lanterns’
This lovely manzanita believed to be a selection of A. densiflora originated at the Santa Barbara Botanical Gardens many years ago, but today it is a rare find in nurseries. Slowly growing to a dense mound 3-5 feet tall and wide, this tough and disease resistant plant is equally at home as a beautiful specimen or massed in large plantings. Especially heavy blooming, this shrub is covered with clusters of white blossoms opening from pink buds over a long period in late winter. Excellent early nectar source for hummingbirds and bees. Plant in full sun to very light shade with little to no water once established.
Arctostaphylos auriculata
From the rocky slopes of Mount Diablo comes this rare and delightful manzanita. Smallish, fuzzy, grey leaves densely cover the branches over mahogany-red trunks. Late winter brings flowers ranging in color from pink to white. This species grows slowly and densely to about 5 or 6 ft. tall and at least as wide. Needs full sun. Make sure to provide excellent drainage and little to no irrigation once established.
Arctostaphylos bakeri ssp. bakeri ‘Louis Edmunds’
A beautiful and durable upright manzanita reaching 5 - 7 ft. tall and nearly as wide. This species is native to Sonoma Co. where it is considered very rare and threatened by development. Handsome gray-green foliage with wonderful purplish-brown trunks contrast nicely with showy clusters of pink urn-shaped flowers in spring. Great for sunny areas where it endures heat and drought but enjoys an occasional deep watering. The manzanita berries can attract mockingbirds, robins, and cedar waxwings. It provides low shrubby cover for quail and wrentits and its flowers provide nectar for hummingbirds.
Arctostaphylos columbiana
From Northern California’s coastline and outer Coast Ranges comes one of the larger species of manzanitas. This stately shrub can grow 8 feet to over 15 ft. tall, often developing a contorted shape with age. The large, gray-green leaves contrast well with the burnished, rust-red trunks. Clusters of white flowers emerge in spring followed by matte-red fruits. This is THE upright manzanita for coastal areas with good drainage. Provide full sun and no irrigation once established.
Arctostaphylos densiflora
One of California's rarest natives, this is the pure, true species. Exists only in a very small preserve in western Sonoma Co.. Distinctive for the profusion of beautiful pink to white urn-shaped blossoms they produce in winter and small, shiny bright green leaves. Variable in height but typically grows 3 ft. tall by 6 ft. wide. Does best in its native Sebastopol sandy soils with full sun to light shade and occasional to no summer irrigation.