Native to (or naturalized in) Oregon:
- Broadleaf deciduous tree or shrub, 10-20 ft (3-6 m) tall, upright branching, rounded form. Leaves opposite, palmately compound, 5-7(9) leaflets, lanceolate to elliptic, 15-20 cm long, 1.3-2.5 cm wide, tapering at both ends, entire or toothed near apex, gray-green above, grayish below; aromatic when bruised. Flowers small, corolla about 8 mm, lilac or pale violet, fragrant, in dense, erect clusters 10-18 cm long. Fruit globose, 3-4 mm, purple, pungent flavor.
- Sun, does well in heat, best in well-drained soil.
- Hardy to USDA Zone (6)7 Native to southern Europe and western Asia. Several cultivars available, including: 'Alba" (white blooms), 'LeCompte' (lilac), 'Montrose Purple' (blue-purple), 'Salinas Pink', and ‘Sensational’ (blue).
- agnus-castus: old name for this plant, from agnos the Greek name and Latin castus, both meaning chaste (Coombes, 1985).
- Silverton, Oregon: The Oregon Garden