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Eriogonum latifolium
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Coast Buckwheat
( Eriogonum latifolium )
Eriogonum latifolium
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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About Coast Buckwheat (Eriogonum latifolium)
50 Nurseries Carry This Plant
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Coast Buckwheat (
Eriogonum latifolium
) is a shrub-like perennial in the Buckwheat family (Polygonaceae). It has oval, wooly white-green leaves with small, pink and white flowers in round clusters at the ends of long, wooly stems. The flowers fade to an attractive copper color in the fall.
Also known as Seaside Buckwheat, it naturally grows on coastal bluffs and slopes, where it receives full sun and all of its water from fog and rainfall.
In the garden, plant Coast Buckwheat on rocky slopes, in crevices, or sunny rock walls. When planted in its natural range, it will not need additional summer water after its first year. Provide part shade and some supplemental water when planted away from the immediate coast.
Coast Buckwheat supports many pollinators, and is an important food source for butterflies and moths. Allowing the flower stalks to remain through winter provides seeds for hungry birds.
Plant Description
Plant Type
Perennial herb
Size
1.7 - 2.3 ft tall
2 - 3 ft wide
Form
Mounding
Growth Rate
Moderate
Dormancy
Summer Semi-Deciduous
Flower Color
Cream, Pink, White
Flowering Season
Summer, Fall
Wildlife Supported
The buckwheats generally are important pollinator plants that will attract a wide variety of insects and birds.
Butterflies & moths hosted ( 10
confirmed
, 31
likely
* )
SHOW ALL
Acmon Blue
Icaricia acmon
Icaricia acmon
Blue Copper
Lycaena heteronea
Lycaena heteronea
Mormon Metalmark
Apodemia mormo
Apodemia mormo
Dotted Blue
Euphilotes enoptes
Euphilotes enoptes
Bramble Hairstreak
Callophrys dumetorum
Callophrys dumetorum
Coastal Green Hairstreak
Callophrys viridis
Callophrys viridis
Veined Blue
Icaricia neurona
Icaricia neurona
Landscaping Information
Sun
Full Sun, Part Shade
Moisture
Very Low, Low
Summer Irrigation
Max 1x / month once established, Never irrigate once established
Nurseries
Carried by 50
Ease of Care
Very Easy
Cold Tolerance
Tolerates cold to 20° F
Soil Drainage
Fast, Medium
Soil Description
Tolerates clay but prefers fast draining rocky or sandy soil. Soil PH: 5.5 - 7.0
Common uses
Groundcovers, Bank Stabilization, Deer Resistant, Bird Gardens, Butterfly Gardens, Bee Gardens
Companion Plants
Sand Verbena
(
Abronia species
), Pt. Reyes
Ceanothus
(
Ceanothus gloriosus
),
Twinberry
(
Lonicera involucrata
),
Lupine
(
Lupinus species
),
Bluff Lettuce
(
Dudleya farinosa
),
Coast Silktassel
(
Garrya elliptica
),
Yellow Stonecrop
(
Sedum spathulifolium
), and Dune Manzanita (
Arctostaphylos pumila
).
Maintenance
Leave the seed heads for the birds; can be deadheaded in winter or early spring.
Propagation
?
For propagating by seed: No treatment.
Sunset Zones
?
4, 5, 14, 15*, 16*, 17*, 22*, 23*, 24*
Natural Setting
Site Type
Bluffs and slopes on the north coast
Climate
Annual Precipitation: 11.8" - 93.3", Summer Precipitation: 0.17" - 2.96", Coldest Month: 25.1" - 55.7", Hottest Month: 48.6" - 76.0", Humidity: 0.01" - 24.20", Elevation: -75" - 8095"
Alternative Names
Common Names
: Seaside Buckwheat, Wild Buckwheat
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Coast Buckwheat
Eriogonum latifolium
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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