Red Monkey Flower
Red Paintbrush Grass
Red Riding Hood Penstemon
Red Star Autumn Sage
Red Star Cordyline
Red Wing Mangave
Red Yucca
Red-capped Gum
Reed Grass
Ribbonleaf Purple Japanese Maple
River Wattle
Rock Purslane
Rockrose
Rocky Point Ice Plant
Roger's Red Wild Grape
Rose Geranium
Rose Of Sharon, Shrub Althaea
Rose Pink Autumn Sage