Rhododendron ( Robin Cook Greenwood Hybrid Azalea )

Compact, spreading, evergreen azalea that was developed to thrive in temperate climates and is hardy to 0 degrees F. Double, hose-in-hose, funnel-shaped, purplish-red flowers, 2 inches wide. Flowers are borne in showy trusses from mid to late spring. Plant as […]

Rhododendron ( Robespierre 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 ( Robert Lee Gable Hybrid Azalea )

Upright, low-growing, evergreen shrub said to be the hardiest azalea around. Single, widely funnel-shaped, white flowers, 2 inches wide. Leaves are glossy, dark green, lance-shaped to ovate, around 1 inch long. Flowers are borne in showy trusses from mid to […]

Rhododendron ( Rival Pericat Hybrid Azalea )

Dense, spreading, evergreen shrub with small, 1 to 2 inch long, elliptic, glossy, dark green leaves. Semi-double, hose-in-hose, funnel-shaped, light red flowers, 2 1/4 inches wide. Flowers are borne from early to midsping in profuse, showy trusses of 1 to […]

Rhododendron ( Rising Sun 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 ( Riod’oro Knap Hill Azalea )

Upright, hardy, deciduous shrub with elliptic to oblong, 2 to 6 inch long leaves. Single, trumpet-shaped, orangish-yellow flowers with orange stripes, 2 to 3 inches wide. Flowers are borne in huge, showy trusses of 18 to 30 blooms per cluster. […]

Rhododendron ( Rinpu 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 ( Rimfire Greenwood Hybrid Azalea )

Compact, spreading, evergreen azalea that was developed to thrive in temperate climates and is hardy to 0 degrees F. Single, hose-in-hose, funnel-shaped, rich purplish-red flowers, 2 inches wide. Flowers are borne in showy trusses from mid to late spring. Plant […]

Rhododendron ( Rikyugonomi 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 […]