Acanthus spinosus | Spiny Bear's Breeches
Known since antiquity, this unusual looking clump-forming perennial produces tall spikes of lavender and white, snapdragon-like flowers that emerge from crowns of arching, deeply divided leaves. Moderately cold-hardy, these plants thrive in full sun to light shade. Best grown in drier conditions.
Exposure: Sun/Part Shade Bloom Time: Late Spring through Summer Height x Width: 3-4' x 2-3' Hardiness: -29°C to -23°C USDA Zone: 5