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 ( Twilight Kurume Azalea )
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 ( Twenty Grand Pericat Hybrid Azalea )
The Pericat azaleas were originally developed as greenhouse forcing plants, but they are as hardy as the Kurume azaleas, to 5 and 10 degrees F. The parentage is unclear, but is thought to include Kurume and Belgian Indian Hybrids. Dense, […]
Rhododendron ( Tweed Knap Hill Azalea )
Upright, hardy, deciduous shrub with elliptic to oblong, 2 to 6 inch long leaves. Single, trumpet-shaped, rich red flowers, 2 to 3 inches wide. Flowers are borne in huge, showy trusses of 18 to 30 blooms per cluster. Bloom time […]
Rhododendron ( Tutti Frutti Exbury Azalea )
‘Tutti Frutti’ has rose-pink flowers with red markings. 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 30 trumpet-shaped flowers, each […]
Rhododendron ( Turk’s Cap Robin Hill Hybrid Azalea )
The Robin Hill Hybrids, developed by Robert Gartrell in New Jersey, were bred to be hardy, late-blooming evergreen azaleas with large, showy flowers similar to those of the Satsuki Hybrids. Their medium size makes them ideal for the front of […]
Rhododendron ( Tunis Knap Hill Azalea )
‘Tunis’ is a fast grower which has dark crimson flowers with an orange tinge. 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 […]
Rhododendron ( Tubantia 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 ( Tsuyu no Hikari 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 ( Tsuta Momiji Kurume Azalea )
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 […]