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Cornus sericea ssp. occidentalis
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Western Dogwood
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Cornus sericea ssp. occidentalis

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About Western Dogwood (Cornus sericea ssp. occidentalis) Western Dogwood (Cornus sericea ssp. occidentalis) is a native shrub that grows in northern, southern and central California. It is moderately fast growing and long-lived. It grows in a semi-upright form to a height of 16 feet, with active growth during the spring and summer. Flowers are white and striking, and bloom in the summer. Leaves are medium green and deciduous. It tends to grow in moist places, at elevations from 0-8000 feet.
Plant Description
Plant Type

Max. Height
8 - 16 ft (2.4 - 4.9 m)


Growth Rate

Winter Deciduous

Flower Color
White, Cream

Flowering Season

Native Status

Natural Setting
Site Type
Moist places

Part Shade

Elevation ?
3' - 9567'

Annual Precip. ?
13.1" - 131.3"

Summer Precip. ?
0.18" - 4.41"

Coldest Month ?
24.3° F - 55.2° F

Hottest Month ?
48.0° F - 79.3° F

Humidity ?
0.01 vpd - 24.36 vpd

Soil Description
Tolerant of a variety of soils as long as sufficient moisture is available

Fast, Medium, Slow

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

Common uses
Bird Gardens, Butterfly Gardens

Nursery Availability
Commonly 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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