The Knap Hill and Exbury azaleas are English hybrids resulting from crosses between R. molle, R. calendulaceum, R. arborescens, and R. occidentale. Upright, hardy, deciduous shrub with elliptic to oblong, 2 to 6 inch long leaves. Flowers are borne in […]
Rhododendron ( Angus Red Ilam Hybrid Azalea )
The Ilam azaleas are deciduous hybrids developed in New Zealand from crosses between the Knap Hill azaleas and R. molle, R. calendulaceum, and R. viscosum. Upright, deciduous shrub that is cold hardy from -10 to -20 degrees F. Leaves are […]
Rhododendron ( Amy 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 ( Amoenum Kirishimi Azalea )
‘Amoenum’ is listed as a Kirishimi Azalea and clone of R. ‘Obtusum,’ which was formerly considered a species but is now regarded as of hybrid origin. ‘Amoenum’ is also the origin of a group called the Amoena Hybrids developed in […]
Rhododendron ( Amoena Coccinea Amoena Hybrid Azalea )
The Amoena Hybrids were derived in the 19th century from ‘Amoenum,’ a Japanese azalea formerly listed under R. ‘Obtusum.’ R. ‘Obtusum’ is no longer considered a species, but rather a hybrid. Upright, spreading, dense evergreen shrub with small, oval leaves. […]
Rhododendron ( Amethyst Belgian Indica Azalea )
The Belgian Indica azaleas are the result of crosses between many different species, including R. simsii, R. mucronatum, and R. indicum. They were originally bred as greenhouse forcing plants. This hybrid is primarily grown in Australia and New Zealand. Small, […]
Rhododendron ( Ambrosia Belgian Indian Hybrid Azalea )
The Belgian Indian azaleas are the result of crosses between many different species, including R. simsii and R. mucronatum. They were originally bred as greenhouse forcing plants. Small, bushy, evergreen azalea with lush, glossy, dark green leaves, 1 1/4 to […]
Rhododendron ( Ambrose Verschaffelt 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 ( Amber Rain Exbury Azalea )
The Knap Hill and Exbury azaleas are English hybrids resulting from crosses between R. molle, R. calendulaceum, R. arborescens, and R. occidentale. Not to be confused with the deciduous Ghent hybrid of the same name. Upright, hardy, deciduous shrub with […]
Rhododendron ( Altair Exbury Azalea )
The Knap Hill and Exbury azaleas are English hybrids resulting from crosses between R. molle, R. calendulaceum, R. arborescens, and R. occidentale. Not to be confused with the evergreen Glenn Dale hybrid of the same name. Upright, hardy, deciduous shrub […]