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Beach Primrose
Camissoniopsis cheiranthifolia
About Beach Primrose (Camissoniopsis cheiranthifolia) Nurseries Show All Photos Camissonia cheiranthifolia (Beach Suncup or Beach Evening Primrose) is a member of the Evening Primrose (Camissonia) genus native to open dunes and sandy soils of coastal California and Oregon. The genus Camissonia was distinguisned from Oenothera relatively recently, so this species was formerly known as Oenothera californica. The Beach suncup grows prostrate along the beach surface, forming mats more than 1 meter. across. It forms long stems growing from a central crown, lined with silvery grey-green leaves. The prostrate form and swinging stems allow the plant to survive well on the windy, shifting sands of the coast. The four-petalled flowers open in the morning (typical among suncups) and are bright yellow, fading to reddish.
Plant Description
Plant Type
Perennial herb

Max. Height
2 - 0.3 ft (0.6 - 0.09 m)

Max. Width
.5 - 3 ft (0.2 - 0.9 m)

Mounding, Spreading

Growth Rate


Silvery, or gray green

Flower Color
Yellow, Red

Flowering Season
Spring, Summer, Winter

Native Status

Natural Setting
Site Type
Coastal sandy slopes and flats, dunes


Elevation ?
-140' - 2818'

Annual Precip. ?
9.1" - 56.2"

Summer Precip. ?
0.14" - 1.62"

Coldest Month ?
39.9° F - 56.7° F

Hottest Month ?
55.4° F - 76.8° F

Humidity ?
0.04 vpd - 23.71 vpd

Soil Description
Sandy dunes

Soil Texture
Sand, Sandy Clay, Sandy Clay Loam, Sandy Loam

Soil PH
5 - 7


Cold Tolerance(° F)
Tolerates cold to 25 - 30° F

Wildlife Attracted
Birds and butterflies

Landscaping Information
Ease of Care
Moderately Easy

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

Moderately Popular

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

Propagation ?
Reseeds readily

Nursery Availability
Commonly Available

Other Names
Botanical Names
Camissonia cheiranthifolia

Common Names
Beach Evening Primrose, Beach Evening-primrose, Beach Suncup

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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