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Arctostaphylos bakeri
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Arctostaphylos bakeri ''Louis Edmunds'' - Manzanita
A medium-sized shrub to 6-7 feet tall and about as wide with dark purple-brown bark, gray green leaves that are tinged blue, and cluster of tiny light pink, winter blooming flowers. A wonderful choice to use as a background plant in a drought tolerant garden. Does best with no summer watering.
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Arctostaphylos densiflora
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Arctostaphylos densiflora 'Howard McMinn'- Manzanita
A medium-sized, evergreen mounding shrub to 7 feet tall by 10 feet wide with a densely-branched structure - can be kept smaller by pruning. Intensely showy clusters of tiny white flowers, tinged with light pink, appear in late winter through spring. This manzanita is considered to be one of the most dependable and adaptable manzanitas. Grow in full sun with well-drained soil. Drought tolerant. Hardy to about 15-20 degrees F.
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Arctostaphylos
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Arctostaphylos 'Emerald Carpet' - Manzanita
A low-growing shrub to 1 foot tall and spreading to 3-6 feet wide. Very compact and dense plant with small glossy deep green leaves that nearly hide the attractive cinnamon red stems with exfoliating bark. Small white flowers appear in mid-winter through spring and are followed by red fruit. This manzanita grows best in a rich, slightly acid and loamy soil. Requires occasional irrigation in southern California gardens. Good as a groundcover between a lawn and more drought tolerant plants or as a non walkable lawn substitute. Hardy to about 15-20 degrees F. This hybrid between Arctostaphylos uva-ursi and A. nummularia was introduced by the Rancho Santa Ana Botanic Garden.
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Arctostaphylos
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Arctostaphylos ''''John Dourley'''' - Manzanita
Shrub with a mounding habit to 3 feet tall by up to 6-10 feet wide. New growth in spring has foliage that is an attractive orange-red that fades to gray-green by mid-summer. Clusters of pink flowers are abundant over a long blooming season followed by berries that are purple-red. A dependable ground cover selection with year round interest. Hardy to 5 F. Named for the former Superintendent of Horticulture at Rancho Santa Ana by Michael Evans at Tree of Life Nursery. Native Sons Nursery says " One of the best new cultivars available". Nevin Smith says "One of my all-time favorites".
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Arctostaphylos manzanita
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Arctostaphylos manzanita 'Dr. Hurd' - Manzanita
Evergreen shrub. Full sun. Drought tolerant. A fairly quick-growing, tall manzanita to 12-15 feet tall and about as wide, with an open structure and dark red bark. Large, light green leaves lightly clothe the branches. Clusters of white flowers bloom in late winter. Because of its open structure and height, this shrub is an excellent choice in developing a focal point in drought tolerant gardens, rock gardens or in dry creek bed gardens. Hardy to about 15-20 degrees F.
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Arctostaphylos 'Pacific Mist'
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Arctostaphylos ''Pacific Mist'' - Manzanita
A low-growing, sprawling shrub with twisting branches that turn upwards at the ends, to 2 feet tall and 6-10 feet spread with narrow gray-green foliage that clothe pink colored juvenile stems that mature to a dark purplish brown. A. ''Pacific Mist'' has inconspicuous white flowers that appear in late winter. This variety is a quicker grower than other manzanitas and one of the few that can take dry shade. It is also more tolerant of heavy soils than other manzanita. It has been noted that this plant is better planted in inland gardens. Hardy to 0 degrees F.
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Arctostaphylos 'Sunset'
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Arctostaphylos 'Sunset' - Manzanita
This hybrid of A. pajaroensis and A. hookeri forms a dense, mounding shrub to 4 feet tall by 5 feet wide with shiny medium green leaves that are bright copper when young; young twigs are covered with fine white hairs. Mature bark is light brown. During the plant's shedding of old bark the new bark is a honey brown. Pinkish white flowers appear in spring. Hardy to 5 degrees F.
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Artemisia californica
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Artemisia californica 'Canyon Gray' - Coastal Sagebrush
A 1980 Santa Barbara Botanic Garden selection of a prostrate form of Artemisia californica from the Channel Islands. This large scale groundcover remains under 2 feet tall and forms a compact mat of fine textured silver-gray foliage to 10 feet wide. Works well on dry slopes and walls and the foliage is very aromatic when crushed. The flowers are fairly inconspicuous. Plant in full sun in a soil with good drainage. Little irrigation is required. Hardy to about 20-25° F . This plant was found growing in a windswept area on San Miguel Island by Ralph Philbrick, former director of Santa Barbara Botanic Garden.
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Artemisia pycnocephala
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Artemisia pycnocephala 'David's Choice' - Coastal Sagewort
The texture of this variety is even finer than the foliage of the A. a. 'Powis Castle'; it also grows smaller and more compact (1 foot x 3 feet). The yellow flowers are on noticeable stems that rise out and away from the plant in the summer. This species is short lived and may have to be replaced after 3 years. It requires well-drained soils. Does not perform well in hotter inland gardens. Best in full sun with occasional summer watering. Selected by David Amme from plants growing at the Pt. Reyes Lighthouse. Hardy to 0 ° F.
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Carpenteria californica
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Carpenteria californica - Bush Anemone
This attractive California native shrub comes from the foothills of the western side of the Sierra Nevada Mountains. It is a much branched dome-shaped evergreen shrub, growing to 6 to 8 feet tall by 4 to 5 feet wide and displays white clusters of flowers with bright yellow stamens in the late spring and summer. Another interesting aspect is the old bark which peels to reveal the newer yellowish tan bark. Plant in sun or light shade. It is drought tolerant if in well drained soil. It is oak root fungus resistant, but is susceptible to aphids which disfigure the plant. Hardy to about 20-25 degrees F.
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Ceanothus arboreus
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Ceanothus arboreus 'Powder Blue' - Island Ceanothus
A large growing shrub to possibly 12-16 feet tall and as wide with 1 1/2 to 3 inch long leaves and an abundance of pale blue flowers held in tear drop shaped inflorescence. The stems have a somewhat tiered habit which is also very attractive. Plant in full sun to light shade. Hardy to 15° F. Selected by Carol Bornstein, the Director of Horticulture for the Santa Barbara Botanic Garden in 1991 from an atypically low-growing individual on Santa Cruz Island. It was hoped that this selection would retain this small size however the plant in the garden has attained the same general proportions as the species. The largest plant known in cultivation is 9 feet tall by 15 feet wide. This plant has a voluntary royalty that has been paid by participating nurseries to support the Santa Barbara Botanic Garden.
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Ceanothus 'Centennial'
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Ceanothus 'Centennial' - Wild Lilac
A mounding groundcover shrub growing to about 2 feet tall by 10 feet wide. It has small, shiny dark green leaves and round dark blue (darker than Ceanothus 'Concha') flower clusters that in spring. Plant in light shade, makes a good groundcover at the outer edges of a live oak canopy. Noted as more heat tolerant and requiring less summer water than C. Carmel Creeper in inland plantings. We originally grew this Roger Raiche C. griseus and C. foliosus hybrid as 'Darkest Blue'
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Ceanothus 'Concha'
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Ceanothus 'Concha' - Wild Lilac
A shrub with arching branches growing 8' tall by about 10' spread, composed of small (1" long) dark green leaves and deep blue flower clusters that emerge from reddish buds in spring. Plant in full sun and irrigate little to occasionally - it will tolerate summer watering. Tolerates a wide range of soils and alkalinity and is fairly resistant to browsing by deer. Hardy to 10 degrees F without damage. This old cultivar is thought to be a hybrid between Ceanothus papillosus var. roweanus and Ceanothus impressus, and has long been considered to be one of the best of the of California Lilac.
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Ceanothus 'Dark Star'
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Ceanothus 'Dark Star' - Wild Lilac
A compact shrub growing to about 6 feet tall by 8 feet wide. composed of small, rough-textured dark green leaves and dark cobalt-blue flower clusters that appear in Spring. Plant in full sun. Requires little or no water in summer. Somewhat deer proof (until the deer get hungry enough to eat anything). It is hardy to 5 degrees F. This Ceanothus impressus hybrid is on of the showiest of the California Lilacs. Thrives in coastal gardens but is not recommended for inland valleys.
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Ceanothus impressus 'Vandenberg'
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Ceanothus impressus 'Vandenberg' - Santa Barbara Ceanothus
A compact shrub growing to 3 to 5 feet tall by 4 to 6 feet wide with small, rough-textured dark green leaves and dark cobalt-blue flower clusters that appear in Spring. Requires little or no water in summer. Somewhat deer proof. It is hardy to about 10 degrees F. This selection is similar to ‘Dark Star’ or ‘Julia Phelps’ but with tinier foliage, more compact growth and flowers that are slightly lighter blue. Selected by M. Nevin Smith in the 1980's from Vandenberg Air Force Base in Santa Barbara county. There is possibly several so named plants in the California nursery trade. Monterey Bay Nursery lists a Ceanothus impressus 'Compact Vandenberg' and Native Sons Nursery lists Ceanothus impressus 'Vandenberg' as selection that Austin Griffiths from the Burton Mesa. Most descriptive information for these plants is similar.
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Ceanothus 'Joyce Coulter'
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Ceanothus 'Joyce Coulter' - Wild Lilac
A fast growing, mounding evergreen shrub with arching branches growing 5 feet tall by about 8 feet wide. It has small, medium dark green leaves and medium blue flower clusters that appear in late spring. Plant in full sun (coastal) and water infrequently to occasionally. This Ceanothus can tolerate regular irrigation and heavy soils. Avoid planting in areas with extreme heat unless in a light shade with regular irrigation. Hardy to 10 degrees F. Makes a good large mounding groundcover. Thought to be a hybrid between Ceanothus papillosus var. roweanus and Ceanothus thyrsiflorus.
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Ceanothus 'Ray Hartman'
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Ceanothus 'Ray Hartman' - Wild Lilac
A fast growing, mounding evergreen shrub/small tree growing to 16 to 20 feet tall by about as wide. It has large, rounded smooth dark green leaves and medium blue flowers in 6 inch long spikes that appear late winter through early spring. Plant in full sun in most any soil, tolerating both well drained sandy soils or heavier clay. Drought tolerant but accepts a periodic irrigation. Will need protection from deer as they browse the new growth. Hardy to 10 degrees F and severely damaged below 5 degrees F. Great on the coast but tolerates inland heat. A reliable long lived and beautiful Ceanothus that can thrive in the garden for 20 years or better. A hybrid of Ceanothus arboreus and Ceanothus griseus that was introduced by Rancho Santa Ana Botanic Garden in 1948.
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