Rosea Tree Mallow
Rosea Yarrow
Rosemary
Royal Beard Tongue
Royal Burgundy Barberry
Royal Purple Smoke Tree
Royal Trumpet Vine, River's Trumpet
Rozanne Cranesbil
Rubber Plant, Rubber Tree
Rubrum New Zealand Flax
Ruby Glow Manuka Tea Tree
Ruby Grass
Sageleaf Rockrose
Sago-Palm
Saltillo Evening Primrose
San Marcos Hibiscus
San Miguel Island Buckwheat
Sandankwa Viburnum
Sandhill Sage, Coast Sagebrush
Sansanqua or Sun Camellia