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Rock Eriogonum
Eriogonum saxatile
About Rock Eriogonum (Eriogonum saxatile) 2 Nurseries Carry This Plant Eriogonum saxatile is a species of wild buckwheat known by the common name hoary buckwheat. It is native to the dry, rocky mountain slopes of California and Nevada, where it is a common plant. It is also cultivated as a low-maintenance rock garden plant. This is a variable perennial which may be a spindly 10 centimeters in height or a bushy 40 centimeters. The rounded or scoop-shaped leaves appear in a mat on the ground, each up to 2 or 3 centimeters wide at maximum, and densely woolly. The stout, woolly flower cluster branches and produces flower clusters at nodes. The flowers are generally red or pale yellow.
Plant Description
Plant Type
Plant Type
Perennial herb

4 - 8.4 in tall

Flower Color
Flower Color
Cream, Pink, White, Red

Wildlife Supported

Butterflies & moths hosted ( 1 confirmed , 44 likely * ) SHOW ALL

Landscaping Information
Full Sun


Ease of Care
Ease of Care
Moderately Easy

Common uses
Common uses
Butterfly Gardens, Bee Gardens

Sunset Zones
Sunset Zones?
1, 2, 3, 7*, 14, 15*, 16*, 17*, 18*, 19, 20, 21, 22, 23, 24

Natural Setting
Site Type
Site Type
Decomposed granite or volcanic rocks

Annual Precipitation: 5.1" - 52.5", Summer Precipitation: 0.15" - 3.66", Coldest Month: 28.0" - 57.6", Hottest Month: 49.8" - 86.2", Humidity: 1.27" - 37.09", Elevation: 867" - 11501"

Alternative Names
Common Names: Hoary Buckwheat, Rock Buckwheat

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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