Rosea Eucalyptus
Rosea Iceplant
Rosea Tree Mallow
Rosea Yarrow
Rosemary
Royal Beard Tongue
Royal Purple Smokebush
Royal Trumpet Vine, River's Trumpet
Rozanne Cranesbil
Rubber Plant, Rubber Tree
Ruby Flower Red Horsechestnut
Ruby Glow Manuka
Ruby King Penstemon
Ruellia brittoniana
Sageleaf Rockrose
Sago-Palm
Sandankwa Viburnum
Sandhill Sage, Coast Sagebrush
Sansanqua or Sun Camellia
Santa Ana Cardinal Coral Bells