Redroot: retroflexus Red-White-and-Blue Flower (spp.)
'Reflections Purple' Garden Petunia 'Resina' Pot Marigold
'Ring of Fire' Common Sunflower 'Ritz Rocket' Amaranth: hybrid
Rock Isotome Rock Rose (spp.)
Rocket Larkspur 'Roman Candy' Ivy Leaf Morning Glory
Roman Wormwood Rose Balsam (spp.)
Rose Balsam 'Blackberry Trifle' Rose Mallow (spp.)
Rose Mallow 'Luna Red' Rose Mallow: trimestris (spp.)
Rose Mallow: trimestris 'Novella' Rose Moss (spp.)
Rose Moss 'Margarita Peppermint' Rose Moss 'Margarita Rosita'
Rose Moss 'Sundial Cream' Rose Moss 'Sundial Mango'
Rose Moss 'Sundial Peach' Rose Moss 'Sundial Pink'
Rose Moss 'Sundial Yellow' Rose Moss 'Sunseeker Pink'
Rose Moss 'Tropical Fruit' 'Rose Parade' Double Impatiens
Rose Periwinkle 'Pretty in Rose' Rose Periwinkle 'Stardust Mix'
'Rose Wave™' Garden Petunia Rose, Moss (spp.)
Rose, Moss 'Margarita Peppermint' Rose, Moss 'Margarita Rosita'
Rose, Moss 'Sundial Cream' Rose, Moss 'Sundial Mango'
Rose, Moss 'Sundial Peach' Rose, Moss 'Sundial Pink'
Rose, Moss 'Sundial Yellow' Rose, Moss 'Sunseeker Pink'
Rose, Moss 'Tropical Fruit' Rose, Rock (spp.)
Rose, Sun (spp.) Rose: Portulaca , Moss 'Fairytale Cinderella'
Rose: Portulaca , Moss 'Yubi Apricot' Rose: Portulaca , Moss 'Yubi Lemon Yellow'
Rosebud Salvia (spp.) Roseleaf Sage (spp.)
Rosemallow, Common (spp.) Rosemallow, Common 'Luna Red'
Rosemallow, Eastern (spp.) Rosemallow, Eastern 'Luna Red'
Rosemallow, Swamp (spp.) Rosemallow, Swamp 'Luna Red'
Rosette Bok Choy 'Tatsoi' Rough Cocklebur
Royal Mallow (spp.) Royal Mallow 'Novella'
'Royal Mix' Garden Pea 'Rubrum' Fennel
Ruddles (spp.) Ruddles 'Alpha'
Ruddles 'Ball's Gold' Ruddles 'Bon Bon Apricot'
Ruddles 'Bon Bon Orange' Ruddles 'Bon Bon Yellow'
Ruddles 'Coffee Cream' Ruddles 'Fiesta Gitana'
Ruddles 'Greenheart Orange' Ruddles 'Indian Prince'
Ruddles 'Kablouna' Ruddles 'Pacific Beauty'
Ruddles 'Pink Surprise' Ruddles 'Porcupine'
Ruddles 'Princess Black Centered Orange' Ruddles 'Resina'
Ruellia, Red (spp.) Ruellia, Red 'Ragin Cajin'
Runaway Robin Variegated Rush, Needle Spike
Rush, Slender Spike 'Safari Bolero' French Marigold