Rhododendron
Species: Evergreen
Cultivars include Catawbiense var.album (white flowers, blooms in May), Lee’s Dark Purple (purple flowers, blooms in May), Nova Zembla (red flowers, blooms in May) P.J.M. Regal, (lavender-pink flowers). Variegated (grows 4-6ft)
Azalea
Species: Deciduous
Cultivars include Gibraltar (orange flowers, blooms in May), Klondyke (golden flowers, blooms in May), Mount Saint Helens (yellow pink flowers, blooms in May), Cannon’s Double (pink flowers, blooms in May), Mary Poppins (orange-red flowers, blooms in May).
Species: Girard Azaleas
Cultivars include Girard Crimson (Crimson red), Girard Fuchsia (Red-purple), Girard Hot Shot (Orange-red), Girard Rose (Rose pink), Renee Michelle (Clear pink).
Species: Bloom-A-Thon
Cultivars include Bloom-A-Thon Lavender (Lavender reblooms), Bloom-A-Thon Pink Double (Pink reblooms) Bloom-A-Thon White (White reblooms), Bloom-A-Thon Red (Red reblooms).
Species: Groundcover
Cultivars include Joseph Hill (Orange-red), Michael Hill (Pink), Yuka (White/Pink)