Red-Leaf or Fraser Photinia
Redtwig or Red Osier Dogwood
Redwood Sorrel, Oregon Oxalis
Reincarnation Bearded Iris
River She-Oak
Robert Young Bamboo
Roger's Red Grape
Rojo Alto Daylily
Roman Chamomile
Rose Of Sharon, Shrub Althaea
Rose or Purple Verbena
Rose Pink Texas or Autumn Sage
Rose selected cultivars
Rosea Japanese Wisteria
Rosemary
Royal Purple Smoke Tree
Royal Sunset Climbing Rose
Rubens Pink Anemone Clematis
Ruby Glow New Zealand Tea Tree
Ruby King Penstemon (deep pink)