Rosea Yarrow
Rosemary
Royal Beard Tongue
Royal Purple Smokebush
Royal Trumpet Vine, River's Trumpet
Rozanne Cranesbil
Ruby Glow Manuka Tea Tree
Ruby King Penstemon
Sageleaf Rockrose
Sago-Palm
Sandankwa Viburnum
Sandhill Sage, Coast Sagebrush
Sansanqua or Sun Camellia
Santa Ana Cardinal Coral Bells
Santa Barbara Daisy selection
Santa Barbara Daisy, Mexican Daisy
Santa Cruz Island Buckwheat
Saratoga Sweet Bay
Scandia Juniper
Scarlet Bugler