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Klamath Plum
Prunus subcordata
  
About Klamath Plum (Prunus subcordata) 1 Nurseries Carry This Plant Klamath plum, also called Oregon plum, or Sierra plum (Prunus subcordata) is a member of the genus Prunus (plum, cherry, and other stone fruit), native to the west coast of the United States in California and southern Oregon. It grows in forests, most often at low elevation near the coast, but it is also in the Sierra Nevada and Cascades; it grows at altitudes of 100-1,900 meter. It is an erect deciduous shrub or small tree growing to 8 meter in height. It sprouts from its roots and can form dense, spiny thickets. The bark is gray with horizontal brown lenticels, similar in appearance to that of the cherry tree. The leaves are 2.5-5 centimeter long with a 4-15 millimeter petiole, dark green, turning red before falling, and are faintly serrated. The flowers are pink or white, appearing in the spring in clusters of one to seven together. The fruit is a small plum-like drupe, variable in appearance, 15-25 millimeter in length, and may be red or yellow; they are mature in late summer. The plums are small and tart but edible.
Plant Description
Plant Type
Plant Type
Tree, Shrub

Size
Size
20 - 26.3 ft tall

Form
Form
Upright

Growth Rate
Growth Rate
Moderate

Dormancy
Dormancy
Winter Deciduous

Flower Color
Flower Color
White, Pink, Red

Flowering Season
Flowering Season
Spring

Wildlife Supported
 


Landscaping Information
Sun
Sun
Part Shade

Nurseries
Nurseries

Ease of Care
Ease of Care
Moderately Easy

Soil Description
Soil Description
Prefers sandy or loamy soils. Does not grow well in clay soils.

Common uses
Common uses
Hedges, Bird Gardens, Butterfly Gardens, Bee Gardens

Propagation
Propagation?
For propagating by seed: 3 mos. stratification.

Sunset Zones
Sunset Zones?
1, 2, 3, 5, 6, 7*, 8, 9, 14*, 15*, 16*, 18*, 19, 20, 21

Natural Setting
Climate
Climate
Annual Precipitation: 8.6" - 75.6", Summer Precipitation: 0.19" - 2.20", Coldest Month: 28.3" - 51.4", Hottest Month: 50.2" - 78.0", Humidity: 0.55" - 27.31", Elevation: 40" - 8750"

Alternative Names
Common Names: Sierra Plum


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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