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Hairyleaf Redberry
Rhamnus pilosa
  
About Hairyleaf Redberry (Rhamnus pilosa) 3 Nurseries Carry This Plant Hairyleaf Redberry (Rhamnus pilosa) is a relatively rare native shrub that grows in San Diego in the Peninsular Range, at elevations from 500 - 5000 feet. Most frequently it grows in rocky north facing slopes.

It's a striking plant, closely related to Rhamnus crocea, but with a more upright form, and leaves that are grey green in the winter and spring, with somewhat hairier leaves and stems than either Rhamnus crocea or Rhamnus ilicifolia. It produces a beautiful display of bright red berries in May and June. In the summer its leaves turn a darker green. It appears to grow in full sun and part shade.

Unfortunately, this plant is not carried in nurseries.
Plant Description
Plant Type
Plant Type
Shrub

Size
Size
5 ft tall
2 - 4 ft wide

Form
Form
Upright

Growth Rate
Growth Rate
Moderate

Dormancy
Dormancy
Evergreen

Fragrance
Fragrance
Slight

Flower Color
Flower Color
Yellow, Cream

Flowering Season
Flowering Season
Winter, Spring

Wildlife Supported
 
Birds

Landscaping Information
Sun
Sun
Part Shade, Full Sun

Moisture
Moisture
Very Low, Low

Nurseries
Nurseries

Ease of Care
Ease of Care
Moderately Easy

Cold Tolerance
Cold Tolerance
Tolerates cold to -10 - 0° F

Soil Drainage
Soil Drainage
Fast

Soil Description
Soil Description
Rocky soils

Common uses
Common uses
Bank Stabilization, Hedges, Bird Gardens, Bee Gardens

Companion Plants
Companion Plants

Propagation
Propagation?
By seed. 3 month cold stratification may help germination.

Sunset Zones
Sunset Zones?
7, 14*, 15, 16*, 17*, 20, 21, 22, 23, 24*,

Natural Setting
Site Type
Site Type
Dry, rocky north facing slopes

Climate
Climate
Annual Precipitation: 11.0" - 26.0", Summer Precipitation: 0.25" - 2.56", Coldest Month: 40.4" - 54.1", Hottest Month: 66.3" - 79.1", Humidity: 1.01" - 25.33", Elevation: 67" - 5447"

Alternative Names
Botanical Names: Rhamnus crocea ssp. pilosa ; Rhamnus crocea var. pilosa;Rhamnus crocea ssp. pilosa ; Rhamnus crocea var. pilosa


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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