Ceanothus sanguineus Pursh
Redstem Ceanothus, Oregon Tea-tree, Wild Lilac
Rhamnaceae (Buckthorn Family)
Synonym(s): Ceanothus oreganus
USDA Symbol: CESA
An ornamental, 3-10 ft. shrub with purplish or reddish, flexible, shiny twigs. Leaves are thin and round. White-flowered clusters, up to 4 in. long, occur on peduncles almost as long from wood of the previous season.
Redstem Ceanothus is a member of the buckthorn family (family Rhamnaceae) which includes shrubs, woody vines, and small to large trees, rarely herbs, often spiny. About 700 species worldwide; 15 native and 3 naturalized tree, about 50 shrub, and 1 woody vine species in North America.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Leaf Retention: Deciduous
Leaf Complexity: Simple
Fruit Type: Capsule
Size Notes: Up to about 10 feet tall.
Leaf: Dark Green
Bloom InformationBloom Color: White
Bloom Time: Apr , May , Jun , Jul
DistributionUSA: CA , ID , MI , MT , OR , WA
Native Distribution: N. CA to B.C. & n.w. MT; also n. Keweenaw Co. on MI's Upper Peninsula
Native Habitat: Dry woods & clearings
Growing ConditionsWater Use: High
Light Requirement: Sun , Part Shade , Shade
Soil Moisture: Dry , Moist
CaCO3 Tolerance: Low
Soil Description: Well-drained soil.
BenefitConspicuous Flowers: yes
Fragrant Flowers: yes
Larval Host: Pale Swallowtail
Value to Beneficial InsectsSpecial Value to Native Bees
Supports Conservation Biological Control
This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.
Butterflies and Moths of North America (BAMONA)
Pale Swallowtail |
Learn more at BAMONA
PropagationCommercially Avail: yes
Find Seed or Plants
Find seed sources for this species at the Native Seed Network.
View propagation protocol from Native Plants Network.
From the National Organizations DirectoryAccording to the species list provided by Affiliate Organizations, this plant is on display at the following locations:
Native Seed Network - Corvallis, OR
BibliographyBibref 1186 - Field Guide to Moths of Eastern North America (2005) Covell, C.V., Jr.
Bibref 1185 - Field Guide to Western Butterflies (Peterson Field Guides) (1999) Opler, P.A. and A.B. Wright
Search More Titles in Bibliography
Web ReferenceWebref 30 - Calflora (2018) Calflora
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Additional resourcesUSDA: Find Ceanothus sanguineus in USDA Plants
FNA: Find Ceanothus sanguineus in the Flora of North America (if available)
Google: Search Google for Ceanothus sanguineus
MetadataRecord Modified: 2022-10-17
Research By: TWC Staff