This shrub has slender stems that are upright and forms a compact rounded habit. It has dark green oval leaves that are scented and the white cup-shaped flowers appear in small clusters from spring to summer.  

Hardiness zones 7 to 10 

Cistus x hybridus is a hybrid between Cistus populifolius and Cistus salviifolius and is found in southern Europe growing in well drained limestone based soils that are moderately fertile. It prefers an open sunny position and is moderately drought, light frost and salt spray tolerant.

White Rock Rose is grown for its flowers and it s bushy habit. It is planted in parks or gardens against walls or on embankments as a specimen. It is also suitable as an informal hedge or as a border plant establishing in 2 to 3 years. It is fast growing but may be short lived tolerating coastal positions. ID 1991

Cistus (SIS-tus) hybridus 

Cistaceae (kris-TAY-see-ee)