| D |
| Daffodil, Fall, Sternbergia lutea |
| Daffodil, Peruvian, Hymenocallis |
| Daffodil, Sea, Hymenocallis |
| Daffodil, Winter, Sternbergia lutea |
| Daffodils, Narcissus (Hardy I) |
| Daffodils, Narcissus (Hardy II) |
| Dahlberg daisy, Dyssodia tenuiloba |
| Dahlia hybrids, Dahlia hortensis |
| Dahlia, Dahlia |
| Dahoon holly, Ilex cassine |
| Dainty Bess rose, x Rosa 'Dainty Bess' |
| Dairy Maid rose, Rosa 'Dairy Maid' |
| Daisy fleabane, Erigeron spp. |
| Daisy, African, Arctosis hybrids |
| Daisy, Dahlberg, Dyssodia tenuiloba |
| Daisy, Gloriosa, Rudbeckia hirta |
| Daisy, Ox-eye, Chrysanthemum leucanthemum |
| Daisy, Shasta, Chrysanthemum x superbum |
| Daisy, South African, Osteospermum hyoseroides |
| Dame's rocket; Sweet rocket, Hesperis matronalis |
| Dandelion, Dwarf; Mountain krigia, Krigia montana |
| Dandelion, Taraxacum officinale |
| Daphne, Burkwood, Daphne x burkwoodi |
| Daphne, Carole Mackie, Daphne x burkwoodii 'Carole Mackie' |
| Daphne, Caucasian, Daphne caucasia |
| Daphne, Fragrant, Daphne odora |
| Daphne, Lilac, Daphne genkwa |
| Daphne, October, Sedum sieboldii |
| Daphne, Winter, Daphne odora |
| Darwin water lily, Nymphaea 'Darwin' |
| Date, Chinese, Ziziphus jujuba |
| Datura, Datura metal |
| Dauben water lily; Daubeniana water lily, Nymphaea 'Daubeniana' |
| David's mountain laurel, Sophora davidii = Sophora viciifolia |
| Dawn redwood, Metasequoia glyptostroboides |
| Day Lily, Hemerocallis |
| Dayflower; Common dayflower, Commelina communis |
| Daylily, Hemerocallis fulva |
| Daylily, Hemerocallis hybrida |
| De Champagne rose, Rosa 'De Champagne' |
| De Meaux rose, Rosa centifolia pomponia |
| De Rescht rose, Rosa 'De Rescht' |
| Dead nettle, Spotted, Lamium maculatum |
| Debut rose, Rosa 'MELbarke' |
| Deer fern; Hard fern, Blechnum spicant |
| Delany Sisters rose, Rosa 'WILdels' |
| Delicate lily, Chlidanthus fragrans |
| Delphinium, Delphinium cultivars |
| Delta maidenhair; Maidenhair fern; Pacific maidenhair, Adiantum raddianum |
| Deodara cedar, Snow Sprite, Cedrus deodara 'Snow Sprite' |
| Deptford pink, Dianthus armeria |
| Desert candle, Eremurus |
| Deutzia, Deutzia crenata |
| Deutzia, Fuzzy, Deutzia scabra |
| Deutzia, Lemoine, Deutzia x lemoinei |
| Deutzia, Magician, Deutzia 'Magician' |
| Deutzia, Pink Minor, Deutzia 'Pink Minor' |
| Deutzia, Rose, Deutzia x rosea |
| Deutzia, Rosealind, Deutzia 'Rosealind' |
| Deutzia, Slender, Deutzia gracilis |
| Devil's bit; Fairy-wand, Chamaelirium luteum |
| Devil's walking stick, Aralia spinosa |
| Devil's walking stick, Aralia spinosa |
| Devilwood, Osmanthus americanus |
| Devilwood, Osmanthus americanus |
| Dianthus, Dianthus chinensis |
| Dianthus; Pinks, Dianthus plumarius |
| Dill, Anethum graveolens |
| Dipelta, Rosy, Dipelta floribunda |
| Director George T. Moore water lily, Nymphaea 'Director George T. Moore' |
| Disanthus, Disanthus ceridifolius |
| Disporum, Spotted; Nodding mandarin, Disporum maculatum |
| Dixie wood fern, Dryopteris x australis |
| Dock, Hastate-leaved; Sour dock; Sorrel, Rumex hastatulus |
| Dock, Prairie, Silphinum terebinthinaceum |
| Dodder; Love-vine, Cuscuta compacta |
| Dog-tooth violet, Erythronium americanum |
| Doghobble, Leucothoe axillaris |
| Doghobble, Leucothoe fontanesiana |
| Dogwood, Alternate leaved; Pagoda dogwood, Cornus alternifolia |
| Dogwood, Bloodtwig, Cornus sanguinea |
| Dogwood, Bloodtwig, Cornus sanguinea |
| Dogwood, Cornelain cherry, Cornus mas |
| Dogwood, Flowering, Cornus florida |
| Dogwood, Giant, Cornus controversa |
| Dogwood, Japanese cornel, Cornus officinalis |
| Dogwood, Kousa, Cornus kousa |
| Dogwood, Pagoda, Cornus alternifolia |
| Dogwood, Red osier; Red twig dogwood, Cornus sericea; (C. stolonifera) |
| Dogwood, Roughleaf, Cornus asperifolia |
| Dogwood, Silky, Cornus amomum |
| Dogwood, Stellar hybrids, Cornus hybrids |
| Dogwood, Swamp, Cornus stricta |
| Dogwood, Tartarian, Cornus alba |
| Dogwood, Variegated tartarian, Cornus alba 'Argenteomarginata' |
| Dogwood, Yellow twig, Cornus sericea 'Flaviramea' |
| Doll's Eyes, Actaea pachypoda |
| Dolly Parton rose, Rosa 'Dolly Parton' |
| Don Juan rose, Rosa 'Don Juan' |
| Donatella rose, Rosa 'Donatella' |
| Dortmund rose, Rosa 'Dortmund' |
| Double Delight rose, Rosa 'ANDeli' |
| Double French rose, Rosa 'Double French' |
| Douce Symphonie rose, Rosa 'MELbarke' |
| Dove tree, Davidia involucrata |
| Down hawthorne, Crataegus mollis |
| Downy arrow-wood, Viburnum rafinesquianum |
| Downy arrowwood, Viburnum rafinesquianum |
| Downy rattlesnake plantain, Goodyera pubescens |
| Downy thorn apple, Datura innoxia |
| Dr. W. van Fleet rose, Rosa 'Dr. W. VanFleet' |
| Dragonhead, False; Obedient plant, Physostegia virginianum |
| Dream Pink rose, Rosa 'TWOjoan' |
| Drumsticks, Allium sphaerocephalon |
| Dublin Bay rose, Rosa 'MACdub' |
| Duck potato, Sagittaria latifolia |
| Duck potato, Sagittatia fasciculata |
| Duckweed, Lesser, Lemna minor |
| Duet rose, Rosa 'Duet' |
| Dupont rose, Rosa 'Dupony Rose' |
| Dusty miller, Centaurea cineraria |
| Dusty zenobia, Zenobia pulverulenta |
| Dutchman's breeches, Dicentra cucullaria |
| Dutchman's breeches, Dicentra spp. |
| Dutchman's pipe, Aristolochia durior |
| Dwarf miscanthus, Miscanthus sinensis 'Yaku Jima' |
| Dyer's greenwood; Common woadwaxen, Genista tinctoria |
| Dynastic Carefree Wonder rose, Rosa 'Dynastic Carefree Wonder' |