Rhododendron ( Daphne 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 ( Cynthia Ann Knap Hill Azalea )

The Knap Hill and Exbury azaleas are English hybrids resulting from crosses between R. molle, R. calendulaceum, R. arborescens, and R. occidentale. Upright, very hardy, deciduous shrub with elliptic to oblong, 2 to 6 inch long leaves. Flowers are borne […]

Rhododendron ( Crystal Greenwood Hybrid Azalea )

Bill Guttormsen of Canby, Oregon began breeding the Greenwood hybrids in 1960. The parentage includes Kurume, Glenn Dale, and Gable hybrids. Compact, spreading, rounded, evergreen azalea that was developed to thrive in temperate climates and is hardy to 0 degrees […]

Rhododendron ( Crinoline Exbury Azalea )

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 ( Crimson Rose 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 ( Crimson Crest Greenwood Hybrid Azalea )

Bill Guttormsen of Canby, Oregon began breeding the Greenwood hybrids in 1960. The parentage includes Kurume, Glenn Dale, and Gable hybrids. Compact, rounded, evergreen azalea that was developed to thrive in temperate climates and is hardy to 0 degrees F. […]