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Arctostaphylos catalinae
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Santa Catalina Island Manzanita
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Arctostaphylos catalinae

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About Santa Catalina Island Manzanita (Arctostaphylos catalinae) Arctostaphylos catalinae, the Santa Catalina Island manzanita, is a species in the Ericaceae (Heath) family. It is endemic to California, where it grows wild only in the Channel Islands, specifically, Catalina and Santa Cruz Islands. This is a tall, bristly manzanita with a well defined trunk that is adapted to the stiff, saline breezes of the island bluffs in its habitat. It does not develop a basal burl and so does not sprout from the base after a fire. However, like other Manzanitas, the seeds germinate readily after fire. It is an attractive Manzanita that deserves to be used more often in coastal gardens.
Plant Description
Plant Type

Max. Height
6.6 - 16 ft (2 - 4.9 m)


Flower Color
Pink, White

Flowering Season
Spring, Winter

Native Status
Natural Setting
Site Type
Volcanic outcrops, ridges in proximity to the ocean


Elevation ?
88' - 1515'

Annual Precip. ?
12.3" - 15.0"

Summer Precip. ?
0.16" - 0.32"

Coldest Month ?
50.2° F - 57.0° F

Hottest Month ?
67.9° F - 73.2° F

Humidity ?
1.64 vpd - 18.24 vpd

Soil Description

Fast, Medium, Slow

Companion Plants
Wildlife Attracted
Hummingbirds and insects are attracted to the flowers. Several mammals are attracted to the fruits

Landscaping Information
Ease of Care
Moderately Easy

Water Requirement ?
Very Low
Extremely Low
Very Low
Moderate - High

Common uses
Bird Gardens, Hummingbird Gardens, Bee Gardens

Nursery Availability
Rarely Available

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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