Rhododendron ( Thomas Jefferson Exbury Azalea )
erect , hardy , deciduous shrub with elliptical to oblong , 2 to 6 inch long leaves . Fragrant , single , horn - shaped , ruffled , ruby-red - orange flowers , 4 inch broad . efflorescence are bear in turgid , showy trusses of 10 blooms per clump . Bloom clock time is from mid to late spring . The deciduous hybrid azalea , like it ’s native similitude , is known for excellent fall colour and unsurpassed springtime flush ....