Rhododendron ( Corringe Exbury Azalea )
The Knap Hill and Exbury azaleas are English hybrids resulting from crosses between R. pepper tree , R. calendulaceum , R. arborescens , and R. occidentale . Upright , hardy , deciduous bush with ovate to oblong , 2 to 6 inch long leaves . Flowers are borne in immense , showy trusses of 18 to 30 blooms per clump . heyday time is from mid to previous spring . The deciduous hybrid azalea , like its native similitude , is known for excellent fall color and unsurpassed spring flowers ....