Rock Live-forever
Scientific Name: Dudleya saxosa ssp. collomiae (M.E. Jones) Britton & Rose
Synonym: Cotyledon saxosa, Dudleya collomiae, Echeveria collomiae
Family: Crassulaceae
Dudleya saxosa ssp. collomiae
Sunset®: 12,13,16,17,21-24
USDA: 9-12
Frost Tolerance: Hardy to 20°F (-6°C)
Sun Exposure: Full sun
Origin: Mojave Desert: USA (California, Arizona)
Growth Habits: Succulent perennial rosette
Watering Needs: Little water when established, water in the summer for best appearances
D. saxosa collomiae flower, the plant visible below is a different Dudleya
The Dudleya saxosa is locally abundant in the Mojave Desert, it is found clinging to rock faces. Its foliage is blue-glaucous. This subspecies is a Salvage Restricted Protected Native Plants in Arizona. It is a host for the Sonoran Blue butterfly
Blooming Habits:
The Dudleya saxosa ssp. Collomiae has pink peduncle, green calyx, yellow petals and anthers. All the flower parts have a light pink tinge when immature. The Dudleya saxosa ssp. aloides has lavender to pink flowers. They bloom from May to June.
Culture:
Dudleyas like a soil well drained and rich in humus. Watch for mealy bugs.
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