Diascia 'Darla Pink Twinspur' Diascia 'Darla Red Twinspur'
Diascia 'Darla Rose Twinspur' Diascia 'Darla White Twinspur'
Diascia 'Deep Salmon Twinspur' Diascia 'Diamonte Coral Rose'
Diascia 'Elfjes Doortje Twinspur' Diascia 'Elfjes Filina Twinspur'
Diascia 'Elfjes Jochie Twinspur' Diascia 'Flying Colors® Trailing Red Twinspur'
Diascia 'Light Pink Twinspur' Diascia 'Red Ace'
Diascia 'Salmon Supreme' Diascia 'Sun Chimes Coral'
Diascia: rigescens Dichondra 'Lawn Leaf'
Dichondra 'Silver Bush' Dichondra: micrantha
Dichroa: ssp. 'Dick Self' Evergreen Candytuft
'Dick Ward' Hosta Dicksonia
Dicksonia: thyrsopteroides 'Dickson's Gold' Bellflower
Dicliptera Didder
Didelta 'Dignity' Oregon Fleabane
Dill 'Fernleaf' 'Dillenburg' Hybrid Tulip
Dinner Plate Aeonium 'Director George T. Moore' Waterlily
'Dirigo Arbutus' Moss Phlox 'Disco' Rose Mallow
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 Dodder
'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' 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 Dorotheanthus
'Dorothy Burton' Verbena 'Dorothy Rose' Columbine
'Dorset Blue' Hosta Dotted Gayfeather
'Dottie' Cheddar Pink Double Amaryllis
'Double Blue' Balloon Flower 'Double Cascade Blue' Garden Petunia
'Double Charm' Daylily Double Daylily (spp.)
Double Daylily 'Frans Hals' Double Daylily 'Kwanso'
'Double Dwarf' Sweet William '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 Pink' Garden Petunia
Double Purple Angel's Trumpet 'Ballerina Mix' 'Double Purple Wave™' Garden Petunia
'Double Trouble' Hybrid Spiderwort 'Double White' Balloon Flower