The Kurume hybrid azaleas of Japan owe their parentage to several species of mountain azaleas, predominantly R. sataense with R. kiusianum. Formerly, the Kurume hybrids were grouped under R. obtusum, but modern horticulturists now consider R. obtusum a hybrid and […]
Rhododendron ( Sharaku Satsuki Hybrid Azalea )
The Satsuki Japanese azaleas are believed to have originated several hundred years ago from natural crosses between R. indicum and R. tamarae. (R. tamarae was formerly known as R. eriocarpum and before that as R. simsii var. eriocarpum.) Later, horticulturists […]
Rhododendron ( Shanty Knap Hill Azalea )
Upright, hardy, deciduous shrub with elliptic to oblong, 2 to 6 inch long leaves. Single, trumpet-shaped, light yellowish-pink flowers, 2 to 3 inches wide. Flowers are borne in huge, showy trusses of 18 to 30 blooms per cluster. Bloom time […]
Rhododendron ( Shannon Glenn Dale Azalea )
The Glenn Dale evergreen hybrids were developed in Maryland from R. indicum, R. kaempferi, R. simsii and many other species and hybrids. They are compact, spreading, evergreen azaleas developed primarily for cold hardiness along the mid-Atlantic states. Flowers are borne […]
Rhododendron ( Sham’s Yellow Knap Hill Azalea )
‘Sham’s Yellow’ has ruffled, bright yellow flowers that open from golden buds. Mid-green, ovate leaves. Knap Hill / Exbury Hybrids are both English bred crosses. They are upright, 4 to 10 feet tall and 4 to 6 feet wide. Trusses […]
Rhododendron ( Sham’s Pink Shammarello Rhododendron )
‘Sham’s Pink’ is a spreading, low-growing evergreen shrub bearing large, brilliant pink flowers with darker pink margins and light red markings. There are between 500 and 900 species of evergreen and deciduous plants in the Rhododendron genus. Azaleas fall into […]
Rhododendron ( Shakespeare Mollis Hybrid Azalea )
The Mollis hybrids were developed in Belgium and Holland from original azalea seeds from Japan. They are derived from crosses between R. japonicum (Japanese azaleas, formerly A. mollis) and R. molle (Chinese azaleas, formerly A. molle). Tall, upright, deciduous shrub […]
Rhododendron ( Seville Knap Hill Azalea )
‘Seville’ has orange-red flowers and brilliant red to yellow foliage in fall. Knap Hill / Exbury Hybrids are both English bred crosses. They are upright, 4 to 10 feet tall and 4 to 6 feet wide. Trusses of up to […]
Rhododendron ( Severn Knap Hill Azalea )
Upright, hardy, deciduous shrub with elliptic to oblong, 2 to 6 inch long leaves. Single, trumpet-shaped, rich pink flowers with orangish-yellow blotches, 2 to 3 inches wide. Flowers are borne in huge, showy trusses of 18 to 30 blooms per […]
Rhododendron ( Sessostris Ghent Hybrid Azalea )
The artificial species name R. gandavense is often used for all the cultivars of the Ghent Hybrids. These hardy plants originated in Belgium and England in the 1800s from crosses between many different species. Tall, deciduous shrub that broadens with […]