Ceanothus thyrsiflorus var. thyrsiflorus

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Ceanothus thrysiflorus
Ceanothus thrysiflorus

Species Name: Ceanothus thyrsiflorus var. thyrsiflorus
Common Name: Blue Blossom

An excellent addition to any garden with profuse blooms and large shiny evergreen leaves. Planted inland, needs shade past noon. Tolerates poorly draining soils.

Plant Family: Rhamnaceae
Plant Type: Shrub
Height by Width: 6-20' H x 15' W
Growth Habit: Tall, rounded
Deciduous/Evergreen: Evergreen
Growth Rate: Fast
Sun Exposure: Coast: full sun; Inland: part shade
Soil Preference: Adaptable
Water Requirements: Drought-tolerant to occasional
Cold Hardy to: Frost tender
Flower Season: Spring
Flower Color: Blue
Endangered?:
Distribution: Coastal from Santa Barbara area north to Oregon
Natural Habitat: Wooded slopes and canyons

Hummingbird iconA.jpg Songbird iconA.jpg Butterfly iconA.jpg Fragrant iconA.jpg Slope iconA.jpg


Care and Maintenance


History
  • From California Native Plants, Theodore Payne's 1941 catalog: "A large dense growing shrub 8 to 12 feet high with dark green foliage. The flowers are bright blue to deep blue, produced in great profusion from March to May. This was the first of the California lilacs to be brought under cultivation and is one of the most valuable for general purposes. Very attractive as single specimens, in groups or for planting against a wall. Very easy to grow and will stand ordinary garden culture. Gallon cans, 50c; 5 gallon cans, $1.75."
Other Names
References
  • Bornstein, Carol, David Fross, and Bart O'Brien. California Native Plants for the Garden. Los Olivos, CA: Cachuma Press. 2005.
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