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Heartleaf Manzanita Back to Plant Page
Arctostaphylos andersonii

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About Heartleaf Manzanita (Arctostaphylos andersonii) Arctostaphylos andersonii (Santa Cruz Manzanita) is an endangered species of Arctostaphylos, limited in geography to the Santa Cruz Mountains of California. It grows in openings in forest below 700 meter. It is a woody shrub 2-5 meter high, which can resemble a small tree. The 4-7 centimeter smooth leaf blades have serrated edges and deeply lobed bases. It flowers February through May. The fruit is small (2-8 millimeter) and sticky.
Plant Description
Plant Type

Max. Height
6.6 - 16.4 ft (2 - 5 m)


Flower Color

Flowering Season
Spring, Winter

Native Status
Natural Setting
Site Type
Open places

Sun, Part Shade

Elevation ?
15' - 2693'

Annual Precip. ?
4.4" - 60.7"

Summer Precip. ?
0.22" - 0.71"

Coldest Month ?
42.0° F - 49.5° F

Hottest Month ?
62.3° F - 80.5° F

Humidity ?
0.51 vpd - 35.62 vpd

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

Common uses
Bird Gardens, Hummingbird Gardens, Deer Resistant, Bee Gardens

Nursery Availability
Sometimes Available

Other Names
Common Names
Santa Cruz Manzanita

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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