Arctostaphylos glandulosa Eastw.
Ericaceae (Heath Family)
USDA Symbol: ARGL3
An erect to spreading, usually 4-7 ft. manzanita with crooked, smooth, reddish stems and dull green, velvety leaves. Flowers are white and occur in short, spreading clusters. Berries are reddish-brown.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Root Type: Tap
Leaf Retention: Evergreen
Leaf Complexity: Simple
Breeding System: Flowers Bisexual
Fruit Type: Drupe
Size Notes: Up to about 10 feet tall, often shorter.
Bloom InformationBloom Color: White , Pink
Bloom Time: Jan , Feb , Mar , Apr , Dec
Bloom Notes: White to pinkish.
DistributionUSA: CA , OR
Native Distribution: Outer Coast Ranges from w. Coos Co., OR to s. CA
Native Habitat: Chaparral or evergreen forests on dry, gravelly slopes & ridges; 1000-6000 ft.
Growing ConditionsLight Requirement: Part Shade
Soil Moisture: Dry
Soil Description: Dry, gravelly sandstone or clay
Conditions Comments: There are many natural varieties of this species. Var. campbelliae and var. crassifolia are two which are commerially available. Considered among the toughest of the manzanitas.
BenefitUse Food: Manzanita berries were used to make a refreshing, cider-like drink by indigenous peoples.
Nectar Source: yes
Value to Beneficial InsectsSpecial Value to Native Bees
This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.
PropagationDescription: Propagation by seed is can be difficult.
Seed Collection: The outer fleshy part of the furit may be removed by macering the fruits with water and separating the nutlets by flotation or air-screening.
Seed Treatment: Seeds of most Arctostaphylos species have hard seed coats and dormant embryos. Scarification (several hours in H2SO4) followed by stratification may improve germination.
Commercially Avail: yes
Find Seed or Plants
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:
Santa Barbara Botanic Garden - Santa Barbara, CA
BibliographyBibref 1218 - Tending the Wild: Native American Knowledge and the Management of California's Natural Resources (2006) Anderson, M. Kat
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.
From the ArchiveWildflower Newsletter 1987 VOL. 4, NO.2 - Wildflowers Provide Activity in Summer, Beautiful Colorado Beckons, What is Rese...
Additional resourcesUSDA: Find Arctostaphylos glandulosa in USDA Plants
FNA: Find Arctostaphylos glandulosa in the Flora of North America (if available)
Google: Search Google for Arctostaphylos glandulosa
MetadataRecord Modified: 2022-10-13
Research By: TWC Staff