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Coast Eriogonum
Eriogonum latifolium

About Coast Eriogonum (Eriogonum latifolium) Eriogonum latifolium is a species of wild buckwheat known by the common names seaside buckwheat and coast buckwheat. This plant is native to the coastline of the western United States from Washington to central California, where it is a common resident of coastal bluffs and scrub. This is a perennial herb which is quite variable in size and flower color, depending on its location along the coast and degree of exposure to the stiff maritime winds of its habitat. It may be quite small or sprawl to a maximum height of 70 centimeters. Its pale white-green leaves are oval, woolly, and sometimes waxy, and are mostly basal but extend a ways up the erect stem if there is one. At the end of each branch is a cluster of white to pinkish flowers.

Plant Eriogoun latifolium on rocky slopes or rock walls. This plant shouldn't need supplemental water after its first year when planted in its natural range, Prefers full sun very close to the ocean, but likes part shade in areas that are more inland.
Plant Description
Plant Type
Perennial herb

Max. Height
1.7 - 2.3 ft (0.5 - 0.7 m)

Max. Width
3 ft (0.9 m)


Growth Rate

Summer Semi-Deciduous

Flower Color
Cream, Pink, White

Flowering Season
Summer, Fall

Native Status

Natural Setting
Site Type
Bluffs and slopes on the north coast


Elevation ?
-75' - 8095'

Annual Precip. ?
11.8" - 93.3"

Summer Precip. ?
0.17" - 2.96"

Coldest Month ?
25.1° F - 55.7° F

Hottest Month ?
48.6° F - 76.0° F

Humidity ?
0.01 vpd - 24.20 vpd

Soil Description
Tolerates clay but prefers fast draining rocky or sandy soil

Soil PH
5.5 - 7.0

Fast, Medium

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

Sunset Zones ?
4, 5, 14, 15*, 16*, 17*, 22*, 23*, 24*

Wildlife Attracted
The buckwheats generally are important pollinator plants that will attract a wide variety of insects and birds.

Landscaping Information
Ease of Care
Very Easy

Water Requirement ?
Very Low, 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
Groundcovers, Bank Stabilization, Deer Resistant, Bird Gardens, Butterfly Gardens, Bee Gardens

Nursery Availability
Sometimes Available

Other Names
Common Names
Coast Buckwheat, Seaside Buckwheat, Wild 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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