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Conejo Buckwheat
Eriogonum crocatum

About Conejo Buckwheat (Eriogonum crocatum) Eriogonum crocatum (Conejo Buckwheat or Saffron Buckwheat) is a rare species of wild Buckwheat that is endemic to the Conejo Valley and surrounding regions in Ventura County, California. It grows on open, dry hillsides, often in crags in rock faces. Conejo Buckwheat is a perennial shrub less than 0.5 meter high by 0.5-1 meter wide. Its foliage is a striking silvery green, with woolly leaves. It flowers from April-August, bearing clusters of tiny bright, sulfur yellow flowers. It has no dormancy period. Probably performs best in coastal southern California.
Plant Description
Plant Type
Perennial herb

Max. Height
0.6 - 3 ft (0.18 - 0.9 m)

Max. Width
1.6 - 3 ft (0.5 - 0.9 m)



Growth Rate


Flower Color
Yellow, Green

Flowering Season
Spring, Summer

Native Status
Natural Setting
Site Type
Dry rocky slopes and rock faces on the northwestern edge of the Santa Monica Mountains among chaparral, coastal sage scrub or grassland; often found with very large patches of prickly pear cactus


Elevation ?
125' - 1224'

Annual Precip. ?
14.8" - 20.2"

Summer Precip. ?
0.14" - 0.27"

Coldest Month ?
51.0° F - 54.0° F

Hottest Month ?
71.8° F - 73.4° F

Humidity ?
1.80 vpd - 17.69 vpd

Soil Description
Generally rocky with clay, but tolerates other soils

Soil PH
6.0 - 8.0

Medium, Slow

Cold Tolerance(° F)
Tolerates cold to 30° F

Wildlife Attracted
Buckwheats generally are very important for pollinators of all kinds

Landscaping Information
Ease of Care
Very Easy

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

Moderately Popular

Max. Summer Water ?
No Summer Water
Keep moist


Propagation ?
For propagating by seed: No treatment.

Common uses
Deer Resistant, Bird Gardens, Butterfly Gardens, Bee Gardens

Nursery Availability
Commonly Available

Other Names
Common Names
Saffron 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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