Red Surinam Cherry
Red Valerian
Red Yucca
Red-flowered Buckwheat
Red-Tip Photinia
Redland White Sapote Tree
Reed Avocado
Ripple Jade Plant
Rock Purslane
Rose Apple
Rosemary
Royal Star Magnolia
Ruby Supreme Guava
Rue - Ruta Graveolens
Russian Sage
Sago Palm