Rhododendron catawbiense ( Michael Waterer Catawba Rhododendron )
Michael Waterer bear large , deep red flowers and is unfearing to -20 degrees Farenheit . Evergreen bush with showy , dour - green leave . There are between 500 and 900 species of evergreen and deciduous plants in the Rhododendron genus . azalea fall into this category . The evergreen rhododendron is characterise by spiritualist to long , elliptical leaves and large , bundle , trusses of , tardy , showy , spring to early summer flowers , range in colors from ruddy , pinkish , lily-white , lavender , purpleness and even yellow-bellied and orange ....