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 ( Robin Knap Hill Azalea )
Upright, hardy, spreading, deciduous shrub with elliptic to oblong, 2 to 6 inch long leaves. Single, trumpet-shaped, reddish-orange flowers, 2 to 3 inches wide. Flowers are borne in huge, showy trusses of 18 to 30 blooms per cluster. Bloom time […]
Rhododendron ( Robin Hill Rosanne 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 ( Robin Hill Gillie 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 ( Robin Dale 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 ( 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 […]