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Interior California Buckwheat Back to Plant Page
Eriogonum fasciculatum var. polifolium

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About Interior California Buckwheat (Eriogonum fasciculatum var. polifolium) California Buckwheat has several recognized varieties that are found in different ecoregions. This variety (var. polifolium) is a smaller and grayer buckwheat, commonly found in the Sonora and Mojave deserts, although its ranges covers the southern California foothills as well. It grows in southern and central California, as well as outside of the state, on dry slopes and washes and canyons, at elevations from 200-7500 feet. It is both more heat tolerant and more cold tolerant.

This is a great plant for natural landscapes especially in the foothills and deserts in its wide natural range. The gray foliage of Interior Buckwheat is striking mixed in with green of Coastal California Buckwheat,and is great plant for attracting birds, pollinators and other wildlife. Plant in full sun in a well draining site, and avoid direct summer water once established. Very tough and easy to grow, but tends to grow more slowly than the coastal variety.
Plant Description
Plant Type

Max. Height
2 - 3 ft (0.6 - 0.9 m)

Max. Width
3 - 4 ft (0.9 - 1.2 m)



Growth Rate
Moderate, Slow

Evergreen, Summer Semi-Deciduous

Half inch long blades, attractive gray color

Flower Color
Cream, Pink, White

Flowering Season

Native Status

Natural Setting
Site Type
Dry slopes, washes and canyons in desert transition, high desert and sheltered locations in low desert


Elevation ?
33' - 11630'

Annual Precip. ?
3.3" - 49.6"

Summer Precip. ?
0.14" - 3.86"

Coldest Month ?
23.5° F - 61.4° F

Hottest Month ?
43.2° F - 88.8° F

Humidity ?
0.95 vpd - 42.79 vpd

Soil Description
Prefers coarse, well-drained soil such as decomposed granite

Soil PH
7.0 - 8.0


Cold Tolerance(° F)
Tolerates cold to -20° F

Sunset Zones ?
7*, 8, 9, 10, 11, 14*, 15*, 16*, 17, 18*, 19*, 20*, 21*, 22*, 23*, 24*

Companion Plants
Coastal California Buckwheat (Eriogonum fasciculatum var fasciculatum) Chamise (Adenostema fasciculatum), California Copperleaf (Aclypha californica), Chaparral Mallow (Malacothamnus fasciculatus), Brittlebush (Encelia farinosa), Sugarbush (Rhus ovata), Desert Agave (Agave Deserti), Mojave Yucca (Yucca shidigera), Creosote (Larrea tridentata), Big Sagebrush (Artemisia tridentata), and cactus species

Wildlife Attracted
All of the Buckwheats are important wildlife plants, supporting many pollinators, birds and small mammals.

Landscaping Information
Ease of Care
Very Easy

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

Seldom Used

Max. Summer Water ?
No Summer Water, 1x/month
No Summer Water
Keep moist


Common uses
Groundcovers, Bank Stabilization, Bird Gardens, Butterfly Gardens, Bee Gardens

Nursery Availability
Commonly Available

Other Names
Common Names
Eastern Mojave 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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