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Cistus hybridus (corbariensis)

Common Name:
White rockrose
Plant Type:
Evergreen shrub
Cistaceae (The Rockrose Family)
Geographic Origin:
Mediterranean Region
California Native?:
Plant Size:
2-5 feet high
Landscape/Garden Uses:
Mixed plantings
Flowering Season:
Spring and summer
Flower Color:
Sun or light shade
Well-drained soil
Suggested Irrigation:
Occasional to no watering
Estimated Hardiness:
Hardy to 15 degrees F. or less
This is probably the best-known of the rockrose group, partly because it is a nearly indestructible shrub. It is round and bushy, growing 5 feet high or more when left to its own devices but easily sheared and shaped. It has reddish stems and deep green, wavy-edged 1-2 inch leaves. The flowers are white, just a little over 1 inch broad but liberally dotting the plant for several weeks in late spring and summer. It is the one cistus commonly and successfully used as a hedge, and probably the most adaptable to heavy soils.