Dichondra 'Lawn Leaf' Dichondra 'Silver Bush'
Dichondra: micrantha Dichroa: ssp.
'Dick Self' Evergreen Candytuft 'Dick Ward' Hosta
Dicksonia Dicksonia: thyrsopteroides
'Dickson's Gold' Bellflower Didder
Didelta 'Dignity' Oregon Fleabane
'Dillenburg' Hybrid Tulip Dinner Plate Aeonium
'Director George T. Moore' Waterlily 'Dirigo Arbutus' Moss Phlox
'Disco' Rose Mallow Distylium 'Coppertone™'
Ditchmoss Dittany of Crete (spp.)
Dittany of Crete 'Amargcus Dictamnus' Dittany, False (spp.)
Dittany, False 'Albiflorus' Dittany, False 'Purpureus'
Dittany, White (spp.) Dittany, White 'Albiflorus'
Dittany, White 'Purpureus' 'Divine Gift' Daylily
Divorce Vine 'Dodo Hanbury Forbes' Summer Phlox
Dog Fennel: capillifolium Dogbane, Blue (spp.)
Dog's Tooth Violet 'Citronella' Dog's Tooth Violet: dens-canis
Dog's Tooth Violet: tuolumnense Dogtooth Lily
Dogwood, Bunchberry Dollar Plant Variegated
Dollar, Silver (spp.) Dollar, Silver 'Honesty'
Doll's Shoes Donkey's Tail
'Donnerwolke' Bee Balm: Monarda Doob 'Austrailia'
Doob 'Santa Ana' 'Doone Valley' Lemon-Scented Thyme
'Doretta Klaber' Lemon-Scented Thyme 'Dorota' Hybrid Clematis
'Dorothe Louise' Daylily 'Dorothy Burton' Verbena
'Dorothy Rose' Columbine 'Dorset Blue' Hosta
Dotted Gayfeather 'Dottie' Cheddar Pink
Double Amaryllis 'Double Blue' Balloon Flower
'Double Charm' Daylily Double Daylily (spp.)
Double Daylily 'Frans Hals' Double Daylily 'Kwanso'
'Double Gold' Black-eyed Susan Double Impatiens (spp.)
Double Impatiens 'Blackberry Ice' Double Impatiens 'Blitz 2000 Red'
Double Impatiens 'Candy® Coral Bee' Double Impatiens 'Candy® Deep Salmon'
Double Impatiens 'Candy® Mix' Double Impatiens 'Candy® Rose Star'
Double Impatiens 'Rose Parade' Double Impatiens 'Rosette'
Double Impatiens 'Show Stopper' Double Impatiens 'Stardust Salmon'
Double Impatiens 'Super Elfin Orange' Double Impatiens 'Super Elfin Swirl'
Double Impatiens 'Victorian Rose' Double Japanese Aster 'Shogun'
Double Lady of the Meadow 'Plena' Double Lady of the Meadow Variegated
Double Purple Angel's Trumpet 'Ballerina Mix' 'Double Trouble' Hybrid Spiderwort
'Double White' Balloon Flower Douglas Iris
Dove's Dung Downy Rattlesnake Plantain
Downy Thorn Apple 'Flore Pleno' Draba
Dracaena (spp.) Dracaena 'Exotica'
Dracaena, Fountain (spp.) Dracaena, Fountain 'Red Star'
Dracaena, Red (spp.) Dracaena, Red 'Exotica'
Dracophilus