Watsonia marginata
Fragrant bugle lily
(c) Chloë Kayla Meck, some rights reserved (CC BY), uploaded by Chloë Kayla Meck · licence
Family: Iridaceae · Type: Herb · Not Native
Watsonia marginata (Fragrant bugle lily) is a non-native California herb in the Iridaceae family, recognized by No sympatric species. Geographically isolated to SCo region with distinctive thickened leaf margins and many-branched inflorescence.
Fragrant bugle lily is a naturalized perennial found in southern California coastal regions on disturbed ground and roadsides at elevations below 100 meters. Flowering from April to May, this plant produces orange-red flowers in tall, branching inflorescences with over 30 flowers. Growing with robust stems 1 to 1.5 meters tall, it develops 3 to 4 long leaves that are quite distinctive with heavily thickened margins. Its leaves extend 45 to 80 centimeters in length and are less than 5 centimeters wide, creating a dramatic vertical structure. The perianth reaches 3.5 to 4.5 centimeters long, with ovate-oblong lobes 1 to 1.5 centimeters in length.
Identification and appearance
Key characters: No sympatric species. Geographically isolated to SCo region with distinctive thickened leaf margins and many-branched inflorescence.
Habitat and range
Habitat: Disturbed ground, roadsides
Elevation: < 100 m
Outside California: native to southern Africa
Bloom period
Watsonia marginata blooms Apr-May.
How to tell it apart
vs Crocosmia: Watsonia has upright spikes with flowers in two rows; Crocosmia has arching spikes.; vs Chasmanthe: Watsonia has equal-sized flower lobes; Chasmanthe has one much larger upper lobe.; vs Gladiolus: Watsonia has style branches divided to middle; Gladiolus has undivided or shallowly notched styles.; vs Ixia: Watsonia has tall spikes to several feet; Ixia is smaller with star-shaped flowers on shorter stems.; vs Freesia: Watsonia has flowers in two rows; Freesia has one-sided spikes with strongly fragrant tubular flowers.
Frequently asked questions
Is Watsonia marginata native to California?
No. Watsonia marginata is not native to California (recorded as not native).
When does Watsonia marginata bloom?
Watsonia marginata blooms Apr-May.
What plant family does Watsonia marginata belong to?
Watsonia marginata is in the Iridaceae family, genus Watsonia.
What habitat does Watsonia marginata grow in?
Watsonia marginata grows in Disturbed ground, roadsides.
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.