Rhododendron ( Delicatissima 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 ( Delaware Valley White Mucronatum Azalea )

‘Delaware Valley White’ is a clone of ‘Mucronatum,’ an old Japanese cultivated azalea of the Ryukyu Azalea Group. ‘Mucronatum’ is often erroneously listed as a separate species, R. mucronatum, and is commonly sold as ‘Indica Alba’ or ‘Ledifolia Alba.’ Broad, […]

Rhododendron ( Del’s Choice 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, hardy, deciduous shrub with elliptic to oblong, 2 to 6 inch long leaves. Flowers are borne in […]

Rhododendron ( Deep Purple 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 5 degrees F. […]

Rhododendron ( Dee 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, hardy, deciduous shrub with elliptic to oblong, 2 to 6 inch long leaves. Flowers are borne in […]

Rhododendron ( Dee Dee 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 ( Decision 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 ( Debutante 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 ( Deborah Alice 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. Compact, hardy, deciduous shrub with elliptic to oblong, 2 to 6 inch long leaves. Flowers are borne in […]

Rhododendron ( Deben 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, hardy, deciduous shrub with elliptic to oblong, 2 to 6 inch long leaves. Flowers are borne in […]