Quail Bush, Lens-scale
Queen Victoria Agave
Radiance Flax
Radiant Manzanita
Rain Cloud Texas Ranger
Rain Lily
Rain Lily Prairie Sunset
Raywood Ash, Claret Ash
Red Clusterberry Cotoneaster
Red Eremophila
Red Flax
Red Horsechestnut
Red Push Ornamental Pistache
Red Yucca
Red-Leaf or Fraser Photinia
Rock Penstemon
Rocky Mountain Penstemon
Roger's Red Wild Grape
Rose Glow Barberry
Rose Of Sharon, Shrub Althaea