Carried by 5 nurseries
View Availability at NurseryData provided by the participants of the Consortium of California Herbaria
View additional distribution information on the Jepson eflora
Allium dichlamydeum is a species of wild onion known by the common name coastal onion. It is endemic to California where it grows on sea cliffs on the coastline in the northern half of the state. The coastal onion grows from a brown or gray bulb one to one and a half centimeters wide. It has a stout naked green stem surrounded by 3 to 6 long onion leaves. Atop the thick stem is an flower cluster of five to 30 flowers. Each flower has six oval-shaped dull-pointed petals in shades of bright magenta to fuchsia and each flower is about a centimeter wide.
Perennial herb
Pink
Spring
Full Sun
Moderate
Moderate
Slow
For propagating by seed: No treatment.
5, 14, 15, 16, 17*, 19, 20, 21, 22, 23, 24
Dry clay soil on or sea cliffs
Mixed Evergreen Forest, Northern Coastal Scrub
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Likely
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Confirmed
Adela septentrionella
Adela trigrapha
Wide-legged Sweat Bee
Agapostemon femoratus
Milbert's Tortoiseshell
Aglais milberti
Peas
Lathyrus oleraceus