White Rockrose                SIS-tis X kor-bah-ree-EN-sis

• Evergreen shrub, 2-5 ft (0.6-1.5 m) tall, even wider, dense, bushy.   Leaves opposite, simple, ovate to cordate, 2-5 cm long, 1-2.5 cm wide, margin wavy, dull dark green above, lighter below.  Flowers white, 3.5 cm wide, yellow center (stamens), 5 petals with a yellow spot at base of each, borne on terminal or short side branches, solitary or in groups of 3.
• Full sun, well-drained site, drought tolerant, grows well on sea coast.
• Hardy to USDA Zone (7) 8 (one of the hardiest species)       A hybrid of C. salviifolius and C. populifolius, found in southern Europe.
• corbariensis: of the Corbieres Mountains, southern France.
• Oregon State Univ. campus: east of Benton.