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Dudleya virens ssp. hassei
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Bright Green Dudleya
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Dudleya virens ssp. hassei

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About Bright Green Dudleya (Dudleya virens ssp. hassei) Dudleya virens ssp. hassei) is a succulent perennial herb native to Santa Catalina Island. It tends to grow in rocks and cliffs, at elevations from seal level to 1,300 feet. It spreads slowly outward like many other Dudleyas, and in maturity it will form a clump up to 4 ft. across while remaining very low. It was formerly recognized as a distinct species, D. hassei, and some authorities still list it that way. It is closely related to Dudleya edulis and looks very similar, both species having leaves that are round in cross section. It has less resemblance to the other two subspecies of D. virens, ssp. insularis and ssp. virens, which have somewhat flattened leaves.

Plant in a sunny well draining spot, preferably on a steep rocky bank, cliff or rock wall. Needs no supplemental irrigation after established in it's natural seashore conditions. Performs best near the coast but could be used inland with shade a more water.
Plant Description
Plant Type
Perennial herb, Succulent

Max. Height
3 - 7.8 in (7.6 - 19.8 cm)

Max. Width
4 - 6 ft (1.2 - 1.8 m)

Mounding, Spreading

Growth Rate

Summer Semi-Deciduous

Pale green, linear-oblong to lanceolate

Flower Color

Flowering Season

Native Status
Natural Setting
Site Type
Rocks and cliffs near the coast


Elevation ?
-1' - 1515'

Annual Precip. ?
12.0" - 14.4"

Summer Precip. ?
0.21" - 0.29"

Coldest Month ?
55.2° F - 57.3° F

Hottest Month ?
66.8° F - 72.2° F

Humidity ?
2.09 vpd - 16.82 vpd

Soil Description
Rocky cliffs and pockets of sandy soil

Soil PH
6 - 7

Soil Toxicity Tolerance
Tolerates Saline Soil


Cold Tolerance(° F)
Tolerates cold to 20 - 30° F

Sunset Zones ?
14, 15, 16, 17*, 20, 21, 22, 23, 24*

Wildlife Attracted

Landscaping Information
Ease of Care
Very 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 ?
Can be propagated from seed, very difficult. The seed is minute and dust-like.

Common uses
Bird Gardens, Hummingbird Gardens

Nursery Availability
Commonly Available

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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