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Dudleya saxosa subsp. aloides - (Rose) Moran

Common Name Panamint Rock Lettuce
Family Crassulaceae
USDA hardiness 8-10
Known Hazards The greatest cautions are conservation and scarcity. This is not a plant that should be casually harvested in the wild, and in many places Dudleya collection is restricted or ecologically damaging. The source material itself recommends reserving harvest for true emergencies. This is exactly the right framing: know it, but do not exploit it casually.
Habitats Rocky slopes, crevices, and shaded or partially shaded desert mountain exposures with sharp drainage. It is adapted to low water, cool-season moisture pulses, and exposed rock habitats.
Range Native to southern California desert mountains and related rocky habitats, including the Mojave Desert and Peninsular Ranges. It also extends into northern Baja California in some treatments.
Edibility Rating    (2 of 5)
Other Uses    (2 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care (info)
Half Hardy Well drained soil Moist Soil Full shade Semi-shade
Dudleya saxosa subsp. aloides Panamint Rock Lettuce


Irene. Creative Commons Zero, Public Domain Dedication
Dudleya saxosa subsp. aloides Panamint Rock Lettuce
Rachel Allingham. Creative Commons Attribution 4.0

 

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Summary

Panamint rock lettuce is one of the most practically significant edible Dudleya species because it occurs in genuinely harsh desert mountain habitats where few other green leafy vegetables are available. Your source material emphasizes that it once served as a water source for travelers in the Mojave Desert, which is a major clue to its practical importance: in desert travel, moisture-bearing succulent leaves can matter even when they are not especially calorie-rich. It is a survival and scarcity plant, not a luxury vegetable, but that makes it more—not less—important in context.


Physical Characteristics

 icon of manicon of shrub
Dudleya saxosa subsp. aloides is an evergreen Shrub growing to 0.3 m (1ft) by 0.5 m (1ft 8in) at a slow rate.
See above for USDA hardiness. It is hardy to UK zone 9. The flowers are pollinated by Bees, Insects.
It is noted for attracting wildlife.
Suitable for: light (sandy) and medium (loamy) soils, prefers well-drained soil and can grow in nutritionally poor soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in full shade (deep woodland) or semi-shade (light woodland). It prefers dry or moist soil and can tolerate drought.

UK Hardiness Map US Hardiness Map

Synonyms

Cotyledon lanceolata var. saxosum (M.E.Jones) Jeps. Cotyledon saxosa M.E.Jones. Echeveria lanceolata var. saxosa (M.E.Jones) Jeps. Echeveria saxosa (M.E.Jones) A.Nelson & J.F.Macbr. Accepted Infraspecifics for D. saxosa are D. saxosa subsp. aloides (Rose) Moran. D. saxosa subsp. collomiae (Rose) Moran

Plant Habitats

Edible Uses

The edible part is the leaf. Older leaves are generally better than younger leaves, which is unusual and important. Young leaves can be strongly astringent, while older leaves may become much milder and occasionally almost free of astringency [2-3]. Edible Uses & Rating: Panamint rock lettuce ranks as a good emergency succulent food and moisture source. In places where little else leafy and edible grows, that is significant. It is not a bulk food and should not be treated as one, but it has real practical value in difficult desert terrain. Taste, Processing & Kitchen Notes: The leaves can vary from terribly astringent in youth to relatively lettuce-like in older condition. Bitterness may still be substantial, and low-level acrid or peppery tones, while present, are comparatively restrained for the stonecrop family. This means age selection matters greatly. If one were using the plant, the best candidates would be mature but still healthy outer leaves rather than tender inner growth. Cooking can help if younger or harsher leaves must be used [2-3]. Seasonality (Phenology): This subspecies blooms in spring, while its leaves persist year-round as a perennial succulent reserve. Because the edible value is in the leaf rather than a brief flower or seed crop, the practical gathering season is broader than the bloom period. Safety & Cautions (Food Use): The greatest cautions are conservation and scarcity. This is not a plant that should be casually harvested in the wild, and in many places, Dudleya collection is restricted or ecologically damaging. The source material itself recommends reserving harvest for true emergencies. This is exactly the right framing: know it, but do not exploit it casually. Harvest & Processing Workflow: If harvested in a genuine emergency, select older, healthier leaves from a few plants rather than stripping one rosette heavily. Clean the leaves and eat fresh if mild enough, or cook briefly if astringency is too strong. The primary goal is usually hydration and immediate vegetable use, not storage or elaborate processing [2-3]. Cultivar/Selection Notes: It is occasionally grown in specialty native succulent collections, but there are no food cultivars. For edible purposes, older mild leaves are the best “selection” criterion. Look-Alikes & Confusion Risks: Your source states that Panamint rock lettuce is virtually identical to Dudleya lanceolata and differs mainly in size, with Gila rock lettuce also very close. Range and habitat are therefore important for identification. Southern California desert-mountain habitat strongly points toward this subspecies [2-3]. Traditional/Indigenous Use Summary: We place Panamint rock lettuce in the category of practical desert-use plants valued for moisture and edible leaves. Its significance appears to have been situational but real, especially in barren travel landscapes.

References   More on Edible Uses

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.


Dudleya saxosa (often referred to as rock live-forever) and other species in the genus Dudleya have a history of medicinal use, particularly among indigenous peoples of the American Southwest and California. Medicinal uses of Dudleya species include: Skin Ailments: The succulent, gel-like interior of the leaves has been applied to minor burns, insect bites, and skin irritations, similar to aloe vera, to provide relief and accelerate healing. Corns and Calluses: Heated, peeled leaves were historically applied directly to the area to remove corns and calluses. Respiratory and Digestive Health: Teas and decoctions made from the plant have been used to help treat asthma and soothe digestive discomfort. Wound Care: Poultices made from mashed leaves have been used to treat wounds and draw out toxins. Oral Health: Pounded roots soaked in water have been used as an astringent for treating gum issues. While these traditional uses are documented, clinical research on Dudleya saxosa is in its early stages, with most evidence derived from traditional use and preliminary studies on related succulent species.

References   More on Medicinal Uses

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Other Uses

Panamint rock lettuce forms attractive basal rosettes and can send up tall flowering stems, making it useful in dry rock gardens and desert succulent collections. It is more subtle than chalk dudleya but still architecturally appealing. A crevice garden, rock wall, or sharply sloped planting is ideal. Panamint rock lettuce occupies narrow rocky niches and provides seasonal nectar to insects. Its succulent rosettes also contribute to drought resilience in desert mountain plant communities.

Special Uses

References   More on Other Uses

Cultivation details

Panamint rock lettuce is one of the more important desert emergency succulents in the Dudleya group. Its edible value is modest in calories but substantial in a survival context because moisture-bearing leafy plants are scarce where it grows. Growing Conditions: It prefers rocky slopes, crevices, and shaded or partially shaded desert mountain exposures with sharp drainage. It is adapted to low-water, cool-season moisture pulses and exposed rock habitats. Habitat & Range: This subspecies is native to the southern California desert mountains and related rocky habitats, including the Mojave Desert and Peninsular Ranges. It also extends into northern Baja California in some treatments. Size & Landscape Performance: Panamint rock lettuce forms attractive basal rosettes and can send up tall flowering stems, making it useful in dry rock gardens and desert succulent collections. It is more subtle than chalk Dudleya but still architecturally appealing. Cultivation (Horticulture): It requires excellent drainage, sparse irrigation, and protection from rot. A crevice garden, rock wall, or sharply sloped planting is ideal. In cultivation, inland heat is tolerated best when drainage and airflow are excellent. Pests & Problems: Crown rot from moisture is the chief cultivation risk. In wetter gardens, snails and slugs may also damage leaves. Identification & Habit: This is a small perennial succulent with fleshy basal rosettes, reduced leaves on the flowering stem, and clusters of yellow flowers. It is very close to Dudleya lanceolata in appearance, differing largely by geography and some size traits. Pollinators: The flowers are likely visited by native bees, flies, and other generalist insect pollinators of yellow, open succulent flowers. Panamint rock lettuce, currently treated as Dudleya saxosa subsp. aloides, belongs to the stonecrop family (Crassulaceae) and the genus Dudleya. Common names include Panamint rock lettuce and Panamint liveforever. It is a perennial succulent of southern California desert mountains and related rocky habitats, generally suited to USDA Zones about 8–10 in cultivation where drainage is excellent. Mature rosettes are often around 10–30 cm tall and 20–50 cm across, though local forms vary, and flowering stems rise well above the foliage.

References   Carbon Farming Information and Carbon Sequestration Information

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Plant Propagation

Propagation is by seed and occasionally by careful division where clumping occurs. Seed is the more natural route.

Other Names

If available other names are mentioned here

Gila rock lettuce or liveforever (Dudleya saxosa subsp. collomiae)

Native Range

US. USA. Arizona, California, Mexico Northwest.

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it's worth checking.

Very low. It is slow, habitat-specific, and not invasive.

Conservation Status

IUCN Red List of Threatened Plants Status : Not listed.

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Dudleya edulisMission Lettuce, FingertipsPerennial0.3 9-11  LMNDM312
Dudleya lanceolataLanceleaf LiveforeverPerennial0.3 8-10 MLMNDM212
Dudleya pulverulentaChalk LettucePerennial0.4 7-11 SLMSNDM222
Dudleya saxosa subsp. collomiaeGila Rock LettuceShrub0.3 8-10 SLMSNDM222

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

 

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Author

(Rose) Moran

Botanical References

Links / References

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