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 ( Yellow van Tol 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 ( Yellow Prince 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 ( Yellow Giant Azalea )
Upright, deciduous shrub with leaves that are elliptic to oblong, 2 to 6 inches long. Fragrant, single, trumpet-shaped, bright yellow flowers, 3 1/4 inches wide. Flowers are borne in large, showy trusses from early to late spring. The deciduous hybrid […]
Rhododendron ( Yellow Cloud Knap Hill Azalea )
Compact, upright, hardy, deciduous shrub with elliptic to oblong, 2 to 6 inch long leaves. Fragrant, single, trumpet-shaped, light to bright yellow flowers, 3 3/4 inches wide. Flowers are borne in huge, showy trusses of 12 blooms per cluster. Bloom […]
Rhododendron ( Yellow Bouquet Mollis Azalea )
Deciduous, upright, tall shrub with funnel-shaped, single yellow flowers. Blooms appear in showy trusses of 7 to 13 flowers. Bloomtime range is from mid to late spring. The deciduous hybrid azalea, like it’s native counterpart, is known for excellent fall […]
Rhododendron ( Yellow Bird Knap Hill Azalea )
Upright, very hardy, deciduous shrub with elliptic to oblong, 2 to 6 inch long leaves. Single, trumpet-shaped, yellow flowers, 2 to 3 inches wide. Flowers are borne in huge, showy trusses of 18 to 30 blooms per cluster. Bloom time […]
Rhododendron ( Yellow Beauty Ilam Hybrid Azalea )
Upright, deciduous shrub that is cold hardy from -10 to -20 degrees F. Leaves are elliptic to oblong, 2 to 6 inches long. Single, trumpet-shaped, frilled, bright reddish-orange yellow flowers, 2 to 3 inches wide. Flowers are borne in large, […]
Rhododendron ( Yellow Ball Ilam Hybrid Azalea )
Upright, deciduous shrub that is cold hardy from -10 to -20 degrees F. Single, trumpet-shaped, yellow flowers, 2 to 3 inches wide. Leaves are elliptic to oblong, 2 to 6 inches long. Flowers are borne in large, ball-shaped trusses from […]
Rhododendron ( Yayoi no Tsuki 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 […]