Growth Habit: large (6 x 6 feet)
USDA Zone: 5b
Exposure: filtered to full sun
Growing Conditions: evenly moist, well drained acidic soils
Parentage: (catawbiense x griffithianum)
Color Catagory: rose
Bloom Time: May
Comments: Large, conical trusses of rose-crimson cover the foliage of this old standby. Adapts well to a variety of light and heat conditions. 'Cynthia' was the first rhododendron I gave my mother as a young boy working at Brechtbill's Nursery in Oregon.