Yerba Santa
NameYerba Santa
Scientific NameEriodictyon californicum
Common NamesYerba Santa, California Yerba Santa, Mountain Balm, Gum Plant
Plant FamilyBoraginaceae
Natural HabitatFound in dry, chaparral, and foothill regions of California and southern Oregon, often growing in open woodlands, canyons, and on slopes.
Parts Usedleaf
Medicinal Actionsexpectorant,anti-inflammatory,antimicrobial,astringent
Traditional UsesTraditionally used by Native American tribes and early Californian settlers primarily for respiratory ailments such as colds, coughs, asthma, and bronchitis, helping to loosen phlegm and soothe irritated mucous membranes. It was also employed for fevers, sore throats, and as a general tonic. The resinous leaves were sometimes applied externally as a poultice for wounds or rheumatic pain.
Active ConstituentsFlavonoids (e.g., eriodictyol, homoeriodictyol), volatile oils, resins, phenolic acids
Preparation Methodsinfusion,decoction,tincture,powder,salve
Contraindications & WarningsGenerally considered safe, but large doses may cause stomach upset. Individuals with sensitive stomachs should use with caution. No significant drug interactions are widely reported, but consultation with a healthcare professional is always recommended.
Cultivation NotesPrefers full sun and well-drained soil. It is highly drought-tolerant once established and thrives in Mediterranean climates. Can be propagated from seed or cuttings and is hardy in USDA zones 7-10.
Raritycommon
Description
Yerba Santa is an evergreen shrub native to California and Oregon, characterized by its sticky, resinous leaves and clusters of small, bell-shaped, pale lavender to white flowers. The leaves are typically lanceolate to oblong with serrated margins, giving the plant a distinctive appearance.
