Rhododendron ( Sara Holden Robin Hill Hybrid Azalea )
The Robin Hill Hybrids , developed by Robert Gartrell in New Jersey , were multiply to be hardy , late - blooming evergreen azaleas with large , showy flowers exchangeable to those of the Satsuki Hybrids . Their intermediate size of it makes them idealistic for the front of the edge or smaller gardens . Though azaleas have a potentially large list of possible pest and disease problems , they are usually hassle free if planted correctly in proper cultural conditions ....