Cistus ladanifer subsp. sulcatus
Common name(s): rockrose
Description: evergreen shrub; a rare subspecies of C. ladanifer endemic to SW Portugal. Upright growth with large, maroon-blotched white flowers in spring.
Height: to 6 ft. Spread: to 6 ft.
Position: full sun and lean, well-draining soil
Uses: ornamental
Winter Hardiness: to 10 F and below
Distribution: SW Portugal
Drought: adapted to 5 months of summer drought