Aeonium haworthii
Haworth's aeonium
(c) Jenny Saito, some rights reserved (CC BY) · licence
Family: Crassulaceae · Type: Shrub · Not Native
Aeonium haworthii (Haworth's aeonium) is a non-native California shrub in the Crassulaceae family, recognized by . Range notation unclear but distinct from other species.
Haworth's aeonium is a naturalized shrub found in southern California coastal areas, including sea cliffs and dunes, at elevations below 100 meters. Flowering from April to July, this plant produces delicate flowers approximately one centimeter wide with lanceolate white or pale yellow petals. Growing as a dense, hemispheric shrub reaching approximately 7 decimeters tall with stems 3 to 10 millimeters in diameter, it forms open rosettes up to 10 centimeters across. Its leaves are obovate, 3 to 6 centimeters long and 2 to 5 millimeters thick, arranged in loose, spreading clusters. The plant typically persists from cultivation and creates distinctive rounded, succulent-like forms in coastal landscapes.
Identification and appearance
Key characters: Geographically isolated - no sympatric species. Range notation unclear but distinct from other species.
Habitat and range
Habitat: Sea cliffs, dunes, or persisting from cultivation
Elevation: < 100 m
Outside California: native to Canary Islands
Bloom period
Aeonium haworthii blooms Apr-Jul.
How to tell it apart
vs Echeveria: Aeonium has hairy leaf edges and 7-11 petals; Echeveria has smooth leaves and 5 petals.; vs Sedum: Aeonium has tiny hairs on leaf edges; Sedum leaves are completely smooth-edged.; vs Dudleya: Aeonium rosettes sit on woody branch tips; Dudleya rosettes sit directly on ground.; vs Sempervivum: Aeonium is shrubby with rosettes on branches; Sempervivum forms ground-hugging rosette clumps.; vs Crassula: Aeonium forms flat rosettes at branch tips; Crassula has opposite leaves along entire stem.
Frequently asked questions
Is Aeonium haworthii native to California?
No. Aeonium haworthii is not native to California (recorded as not native).
When does Aeonium haworthii bloom?
Aeonium haworthii blooms Apr-Jul.
What plant family does Aeonium haworthii belong to?
Aeonium haworthii is in the Crassulaceae family, genus Aeonium.
What habitat does Aeonium haworthii grow in?
Aeonium haworthii grows in Sea cliffs, dunes, or persisting from cultivation.
Related species
Other California species in the same genus, family, or bioregion.
Sources: Jepson eFlora · CalPhotos
Last updated 2026-10-07
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.