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This is a partial list of garden plants , plants that can be cultivated in gardens in North America, listed alphabetically by genus.
A [ edit ]
B [ edit ]
C [ edit ]
Cabomba
Cadia
Caesalpinia (dwarf poinciana, Pride of Barbados)
Caladium
Calamagrostis (reed grass, smallweed)
Calamintha (calamint)
Calamus
Calandrinia
Calanthe an orchid genus
Calathea
Calceolaria (slipperwort)
Calendula (pot marigold)
Calibanus
Calibrachoa
Calla
Calliandra
Callianthemum
Callicarpa (beauty berry)
Callicoma (black wattle)
Callirhoe (poppy mallow)
Callisia
Callistemon (bottlebrush)
Callistephus (Chinese aster)
Callitriche (water starwort)
Callitris (cypress pine)
Calluna (heather)
Calocedrus (incense cedar)
Calochone
Calochortus
Calodendrum (cape chestnut)
Calomeria
Calophaca
Calophyllum
Calopyxis
Caloscordum
Calothamnus
Calotropis
Calpurnia
Caltha (kingcup, marsh marigold)
Calycanthus
Calymmanthium
Calypso (an orchid genus)
Calytrix (starflower)
Camassia (quamash)
Camellia
Camoensia
Campanula (bellflower)
Campsis (trumpet vine)
Campylotropis (See Lespedeza )
Cananga (ylang ylang)
Canarina
Canistrum
Canna
Cantua
Capparis
Capsicum (pepper)
Caragana (peashrub)
Caralluma
Cardamine (bittercress)
Cardiocrinum
Cardiospermum
Cardwellia
Carex (sedge)
Carissa
Carlina
Carludovica
Carmichaelia
Carnegiea (saguaro)
Carpentaria
Carphalea
Carpinus (hornbeam)
Carpobrotus
Carthamus (safflower)
Carum (caraway)
Carya (hickory, pecan)
Caryopteris
Caryota (fishtail palm)
Cassia (shower tree)
Cassinia
Cassiope
Cassipourea
Castanea (chestnut)
Castanopsis
Castanospermum (black bean)
Casuarina (sheoak)
Catalpa (Indian bean)
Catananche
Catasetum (an orchid genus)
Catha (khat tree)
Catharanthus (Madagascar periwinkle)
Catopsis
Cattleya (an orchid genus)
Caulophyllum
Cautleya
Cavendishia
Ceanothus (California-lilac)
Cedrela (toon)
Cedronella
Cedrus (cedar)
Ceiba (kapok)
Celastrus (staff-vine)
Celmisia (New Zealand daisy, New Zealand aster)
Celosia (cockscomb)
Celtis (hackberry)
Centaurea
Centaurium
Centradenia
Centranthus (valerian)
Cephalaria
Cephalocereus
Cephalophyllum
Cephalotaxus (plum-yew)
Ceraria
Cerastium
Ceratonia (St. John's bread, carob bean)
Ceratopetalum (coachwood)
Ceratophyllum
Ceratopteris
Ceratostigma
Ceratozamia
Cerbera (sea mango)
Cercidiphyllum
Cercis (Judas tree, redbud)
Cercocarpus
Cereus
Ceropegia
Cestrum
Chadsia
Chaenomeles (flowering quince)
Chaenorhinum (dwarf snapdragon)
Chaerophyllum
Chamaecyparis (false cypress)
Chamaecytisus
Chamaedaphne
Chamaedorea
Chamaelirium
Chamaemelum (chamomile)
Chamaerops
Chamelaucium (wax flower)
Chasmanthe
Chasmanthium
Cheilanthes
Cheiridopsis
Chelidonium
Chelone (turtlehead)
Chiastophyllum
Chiliotrichum
Chilopsis (desert willow)
Chimaphila
Chimonanthus (wintersweet)
Chimonobambusa
Chionanthus (fringe tree)
Chionochloa
Chirita
Chlidanthus
Choisya
Chonemorpha (Frangipani vine)
Choricarpia (brush turpentine)
Chorisia (floss silk tree)
Chorizema
Chrysalidocarpus
Chrysanthemoides
Chrysanthemum
Chrysobalanus
Chrysogonum
Chrysolepis
Chrysophyllum (star apple)
Chrysothemis
Chusquea
Cibotium
Cicerbita
Cichorium (chicory, endive)
Cimicifuga (bugbane)
Cinnamomum (camphor laurel)
Cionura
Cirsium
Cissus
Cistus (rock rose, sun rose)
Citharexylum (fiddlewood)
Citrofortunella (hybrid)
Citrus (lime, lemon)
Cladanthus
Cladrastis
Clarkia
Claytonia
Cleistocactus
Clematis
Cleome (spider flower)
Clerodendrum
Clethra (summersweet)
Cleyera
Clianthus
Clintonia
Clitoria
Clivia
Clusia
Clytostoma
Cobaea
Coccoloba (sea grape)
Coccothrinax (thatch palm)
Cocculus
Cochlioda an orchid genus – synonym of Oncidium
Cochlospermum (buttercup tree, Maximiliana)
Cocos (coconut)
Codiaeum (croton)
Codonanthe
Codonopsis
Coelia
Coelogyne (an orchid genus)
Coffea (coffee tree)
Coix
Colchicum (autumn crocus, meadow saffron)
Coleonema
Colletia
Collinsia
Collomia
Colocasia (taro)
Colquhounia
Columnea
Colutea (bladder senna)
Coluteocarpus
Colvillea
Combretum
Comesperma
Commelina (day flower, spiderwort, widow's tears)
Commersonia
Commidendrum
Commiphora
Comptonella
Comptonia (Sweetfern)
Conandron
Congea
Conicosia
Coniogramme
Conoclinium (mistflower)
Conophytum
Conospermum
Conostylis
Conradina
Consolida (larkspur)
Convallaria (lily-of-the-valley)
Convolvulus (bindweed, morning glory)
Copernicia (caranda palm, wax palm)
Copiapoa syn. Pilocopiapoa
Coprosma
Coptis (goldthread)
Cordia (bird lime tree)
Cordyline
Coreopsis (tickseed)
Coriandrum (coriander cilantro)
Coriaria
Cornus (dogwood, cornel)
Corokia
Coronilla
Correa
Corryocactus
Cortaderia (pampas grass, tussock grass)
Cortusa
Corybas (helmet orchid)
Corydalis
Corylopsis (winter-hazel)
Corylus (hazel, filbert)
Corymbia
Corynocarpus
Corypha
Coryphantha
Cosmos
Costus
Cotinus (smoke bush)
Cotoneaster
Cotula (brass buttons)
Cotyledon
Couroupita (cannonball tree)
Crambe
Craspedia
Crassula
+ Crataegomespilus (graft chimera)
Crataegus (hawthorn)
× Crataemespilus (hybrid)
Crepis
Crescentia (calabash)
Crinodendron
Crinum
Crocosmia (falling stars, montbretia)
Crocus
Crossandra (firecracker flower)
Crotalaria (rattlepod)
Croton
Crowea
Cryptanthus (earth stars)
Cryptbergia (hybrid)
Cryptocarya
Cryptocoryne (water trumpet)
Cryptomeria (sugi, Japanese cedar)
Cryptostegia (Indian rubber vine)
Cryptotaenia
Ctenanthe
Cucumis
Cucurbita
Cuminum
Cunila
Cunninghamia (China-fir)
Cunonia
Cupaniopsis (tuckeroo)
Cuphea
Cupressus (cypress)
Cuprocyparis (hybrid)
Curcuma
Cussonia
Cyananthus (trailing bellflower)
Cyanotis
Cyathea (tree fern)
Cyathodes
Cybistax
Cycas (cycad, sago palm)
Cyclamen Pink cyclamen
Cycnoches an orchid genus
Cydista , synonym of Bignonia
Cydonia (quince)
Cylindropuntia
Cymbalaria (ivy-leaved toadflax)
Cymbidium (an orchid genus)
Cymbopogon
Cynara
Cynodon
Cynoglossum (hound's tongue)
Cypella
Cyperus
Cyphomandra (tree tomato)
Cyphostemma
Cypripedium (lady's slipper; an orchid genus)
Cyrilla
Cyrtanthus (fire lily)
Cyrtomium
Cyrtostachys
Cystopteris (bladder fern)
Cytisus (broom)
D [ edit ]
Daboecia
Dacrydium
Dactylis
Dactylorhiza (marsh orchid)
Dahlia
Dalea (indigo bush)
Dalechampia
Damasonium
Dampiera
Danae
Daphne
Daphniphyllum
Darlingia
Darmera syn. Peltiphyllum
Darwinia (lemon scented myrtle)
Dasylirion
Datura
Davallia (hare's foot fern)
Davidia
Daviesia
Decaisnea
× Degarmoara (a hybrid orchid genus)
Decarya
Decumaria
Deinanthe
Delairea
Delonix
Delosperma
Delphinium
Dendranthema
Dendrobium (an orchid genus)
Dendrocalamus
Dendrochilum (an orchid genus)
Dendromecon (tree poppy)
Denmoza
Dennstaedtia (Hayscented fern or Cup fern)
Deppea
Derris
Derwentia
Deschampsia (hair grass)
Desfontainia
Desmodium
Deuterocohnia syn. Abromeitiella
Deutzia
Dianella (flax lily)
Dianthus (carnation, pink)
Diascia (twinspur)
Dicentra (bleeding heart)
Dichelostemma
Dichondra
Dichorisandra
Dichroa
Dicksonia
Dicliptera
Dictamnus (burning bush, dittany)
Dictyosperma (princess palm)
Didymochlaena
Dieffenbachia (dumb cane, mother-in-law's tongue, tuftroot)
Dierama (African harebell, angel's fishing rod, wand flower)
Diervilla (bush honeysuckle)
Dietes
Digitalis (foxglove)
Dillenia
Dillwynia
Dimorphotheca (African daisy)
Dionaea (Venus flytrap)
Dionysia
Dioon
Dioscorea syns. Rajania , Tamus , Testudinaria (yam)
Diospyros (ebony, persimmon)
Dipcadi
Dipelta
Diphylleia
Diplarrhena (butterfly flag)
Diplazium
Diplocyclos
Diploglottis
Diplolaena
Dipsacus (teasel)
Dipteris
Dipteronia
Dipteryx
Dirca (leatherwood)
Disa (an orchid genus)
Disanthus
Discaria
Dischidia pectinoides (ant plant)
Dischidia
Discocactus
Disocactus
Disporopsis
Disporum (fairy-bells)
Dissotis
Distictis
Distylium
Dizygotheca
Docynia
Dodecatheon (shooting stars, American cowslip), now Primula sect. Dodecatheon
Dodonaea (hop bush)
Dolichandrone
Dombeya
Doodia (hacksaw fern, rasp fern)
Doronicum (leopard's bane)
Dorotheanthus (ice plant, Livingstone daisy)
Dorstenia
Doryanthes (spear lily)
Doryopteris
Dovyalis
Draba (whitlow grass)
Dracaena
Dracocephalum
Dracophyllum
Dracula (an orchid genus)
Dracunculus
Drimys
Drosanthemum
Drosera (sundew)
Dryandra
Dryas (mountain avens)
Drynaria
Dryopteris (buckler fern, shield fern, wood fern)
Duboisia
Duchesnea (Indian strawberry, mock strawberry)
Dudleya
Duranta
Duvalia
Dyckia
Dymondia
Dypsis syn. Chrysalidocarpus , Neodypsis
E [ edit ]
Ebracteola
Ecballium
Eccremocarpus
Echeveria
Echidnopsis
Echinacea (coneflower)
Echinocactus
Echinocereus
Echinops (globe thistle)
Echinopsis
Echium
Edgeworthia
Edithcolea
Edraianthus
Egeria
Ehretia
Eichhornia (water hyacinth)
Elaeagnus
Elaeis (oil palm)
Elaeocarpus
Elatostema
Eleocharis (spike rush)
Elettaria
Eleutherococcus
Elodea (pondweed)
Elsholtzia
Elymus (wild rye)
Embothrium
Emilia (tasselflower)
Emmenopterys
Encelia
Encephalartos (Kaffir bread)
Encyclia (an orchid genus)
Enkianthus
Ensete
Eomecon (snow poppy)
Epacris
Ephedra (ephedra)
Epidendrum (an orchid genus)
Epigaea
Epilobium
Epimedium (barrenwort)
Epipactis (helleborine, an orchid genus)
Epiphyllum (orchid cactus)
Episcia (flame violet)
Epithelantha
Equisetum (horsetail)
Eragrostis (love grass)
Eranthemum
Eranthis (winter aconite)
Ercilla
Eremophila (emu bush)
Eremurus
Erica (heath/heather)
Erigeron (fleabane)
Erinacea
Erinus
Eriobotrya
Eriogonum
Eriophorum (cotton grass)
Eriophyllum
Eriostemon (waxflower)
Eritrichium
Erodium
Eryngium (eryngo, sea holly)
Erysimum (wallflower)
Erythrina (coral tree)
Erythronium
Escallonia
Eschscholzia (California poppy)
Escobaria
Espostoa
Etlingera
Eucalyptus (gum tree, ironbark)
Eucharis
Eucomis
Eucommia
Eucryphia
Eulophia (an orchid genus)
Euonymus
Eupatorium
Euphorbia (spurge)
Euptelea
Eurya
Euryale ferox
Euryops
Eustoma
Evolvulus
Exacum
Exochorda
F [ edit ]
Fabiana
Fagus (beech)
Fallopia
Farfugium
Fargesia
Fascicularia
× Fatshedera (hybrid genus)
Fatsia
Faucaria
Felicia (blue daisy)
Fendlera
Fenestraria
Ferocactus
Ferraria
Ferula (giant fennel)
Festuca (fescue)
Fibigia
Ficus (fig)
Ficus pumila
Filipendula
Firmiana
Fittonia
Fitzroya
Fockea
Foeniculum (fennel)
Fontanesia
Forsythia
Fortunella (kumquat)
Fothergilla
Fouquieria
Fragaria (strawberry)
Frailea
Francoa
Frangipani
Franklinia
Fraxinus (ash)
Freesia
Fremontodendron
Fritillaria (fritillary)
Fuchsia
Furcraea
Fragaria x ananassa .
G [ edit ]
Gagea
Gaillardia
Galanthus (snowdrop)
Galax
Galega
Galium (bedstraw)
Galtonia
Gardenia
Garrya
Gasteria
Gaultheria
Gaura
Gaylussacia (huckleberry)
Gazania
Geissorhiza
Gelsemium
Genista
Gentiana (gentian)
Gentianopsis
Geranium (cranesbill, not same as Pelargonium )
Gerbera
Gesneria
Geum (avens)
Gevuina
Gibbaeum
Gilia
Gillenia
Ginkgo
Gladiolus
Glaucidium
Glaucium
Gleditsia (honey locust)
Globba
Globularia (globe daisy)
Gloriosa
Glottiphyllum
Gloxinia
Glyceria
Glycyrrhiza
Gomphocarpus
Gomphrena
Goniolimon
Goodyera (jewel orchid)
Gordonia
Graptopetalum
Graptophyllum
Graptoveria (hybrid genus)
Grevillea
Grewia
Greyia
Grindelia
Griselinia
Gunnera (dinosaur food)
Guzmania
Gymnocalycium
Gymnocarpium
Gymnocladus
Gynandriris
Gynura
Gypsophila
H [ edit ]
I [ edit ]
Iberis (candytuft)
Ibervillea
Idesia
Ilex (holly)
Illicium
Impatiens (balsam)
Imperata
Incarvillea
Indigofera
Inula
Iochroma
Ipheion
Ipomoea (morning glory)
Ipomopsis
Iresine
Iris
Isatis
Isoplexis
Isopyrum
Itea
Ixia (corn lily)
Ixiolirion
Ixora
J [ edit ]
Jaborosa
Jacaranda
Jacquemontia
Jamesia
Jasione
Jasminum (jasmine, jessamine)
Jatropha
Jeffersonia
Jovellana
Jovibarba
Juanulloa
Jubaea (Chilean wine palm)
Juglans (walnut)
Juncus (rush)
Juniperus (juniper)
Justicia
K [ edit ]
Kadsura
Kaempferia
Kalanchoe
Kalimeris
Kalmia (mountain laurel)
Kalmiopsis
Kalopanax
Kelseya
Kerria
Kigelia (sausage tree)
Kirengeshoma
Kitaibela
Kleinia
Knautia
Knightia
Kniphofia
Koeleria (junegrass)
Koelreuteria (golden rain tree)
Kohleria
Kolkwitzia (beautybush)
Kosteletzkya
Kunzea
L [ edit ]
M [ edit ]
N [ edit ]
Nandina (heavenly bamboo)
Narcissus (daffodil)
Nasturtium (watercress)
Nautilocalyx
Nectaroscordum
Neillia
Nelumbo (lotus)
Nematanthus
Nemesia
Nemopanthus (mountain holly)
Nemophila
Neobuxbaumia
Neolitsea
Neolloydia
Neomarica
Neoporteria
Neoregelia
Nepenthes (pitcher plant)
Nepeta (catmint)
Nephrolepis
Nerine
Nerium (oleander)
Nertera
Nicandra
Nicotiana (tobacco)
Nidularium
Nierembergia
Nigella
Nipponanthemum
Nolana
Nomocharis
Nopalxochia
Nothofagus (southern beech)
Notholirion
Nothoscordum (false garlic)
Notospartium
Nuphar (spatterdock)
Nymania
Nymphaea (waterlily)
Nymphoides (floating heart)
Nyssa (tupelo)
O [ edit ]
Obregonia
Ochagavia
Ochna
Ocimum
× Odontioda (hybrid orchid genus)
× Odontocidium (hybrid orchid genus)
Odontoglossum (an orchid genus)
Odontonema
× Odontonia (hybrid orchid genus)
Oemleria
Oenanthe (water dropwort)
Oenothera (evening primrose, sundrops)
Olea (olive)
Olearia (daisy bush)
Olneya
Olsynium
Omphalodes (navelwort)
Omphalogramma
Oncidium (an orchid genus)
Onoclea
Ononis (restharrow)
Onopordum
Onosma
Oophytum
Ophiopogon (lilyturf)
Ophrys (an orchid genus)
Oplismenus
Opuntia (prickly pears, chollas and many other cactus species)
Orbea
Orbeopsis
Orchis (an orchid genus)
Oreocereus
Origanum (marjoram, oregano)
Orixa
Ornithogalum
Orontium (golden club)
Orostachys
Oroya
Ortegocactus
Orthophytum
Orthrosanthus
Orychophragmus
Oryza (rice)
Osbeckia
Osmanthus
Osmunda (royal fern)
Osteomeles
Osteospermum
Ostrowskia (giant bellflower)
Ostrya
Othonna
Ourisia
Oxalis (shamrock, sorrel)
Oxydendrum
Oxypetalum
Ozothamnus
P [ edit ]
Pachistima
Pachycereus
Pachycormus
Pachycymbium
Pachyphragma
Pachyphytum
Pachypodium
Pachysandra
Pachystachys
Pachystegia
Pachystima
Pachyveria (hybrid genus)
Paeonia (peony)
Paliurus
Pamianthe
Panax (ginseng)
Pancratium (sea lily)
Pandanus (screw pine)
Pandorea
Panicum
Pansy
Papaver (poppy)
Paphiopedilum (slipper orchid)
Paradisea (paradise lily)
Parahebe
Paraquilegia
Parkinsonia
Parnassia
Parochetus
Parodia
Paronychia
Parrotia
Parrotiopsis
Parthenocissus
Passiflora (granadilla, passionflower)
Patersonia
Patrinia
Paulownia
Paurotis
Pavonia
Pedilanthus
Pediocactus
Pelargonium (geranium)
Pellaea
Peltandra (arrow arum)
Peltoboykinia
Peltophorum
Peniocereus
Pennisetum
Penstemon
Pentachondra
Pentaglottis
Pentas
Peperomia
Peraphyllum
Pereskia
Perezia
Pericallis
Perilla
Periploca
Perovskia (now included in Salvia )
Pernettya (now included in Gaultheria )
Persea
Persicaria (fleeceflower, knotweed)
Petasites (butterbur, sweet coltsfoot)
Petrea
Petrocosmea
Petrophile
Petrophytum
Petrorhagia
Petroselinum (parsley)
Petteria
Petunia
Phacelia
Phaedranassa (queen lily)
Phaius (an orchid genus)
Phalaenopsis (moth orchid)
Phalaris
Phebalium
Phegopteris (beech fern)
Phellodendron (cork tree)
Philadelphus (mock orange)
Philageria (hybrid genus)
Philesia
Phillyrea
Philodendron
Phlebodium
Phlomis
Phlox
Phoenix (date palm)
Phormium
Photinia
Phragmipedium (an orchid genus)
Phragmites (reed)
Phuopsis
Phygelius
Phylica (Cape myrtle)
× Phylliopsis (hybrid genus)
Phyllocladus (toatoa)
Phyllodoce
Phyllostachys
Phyllothamnus (hybrid genus)
Physalis (ground cherry)
Physaria (bladderpod)
Physocarpus
Physoplexis
Physostegia
Phyteuma
Phytolacca (pokeweed)
Picea (spruce)
Picrasma
Pieris
Pilea
Pileostegia
Pilosella
Pilosocereus
Pimelea
Pimpinella
Pinanga
Pinckneya
Pinellia
Pinguicula (butterwort)
Pinus (pine)
Piper (pepper)
Piptanthus
Pisonia
Pistacia (pistachio)
Pistia
Pitcairnia
Pithecellobium
Pittosporum
Pityrogramma
Plantago (plantain)
Platanus (plane tree, sycamore)
Platycarya
Platycerium (staghorn fern)
Platycladus (Chinese arborvitae)
Platycodon (balloon flower)
Platystemon (creamcups)
Plectranthus an orchid genus
Pleioblastus
Pleione (an orchid genus)
Pleiospilos (living granite)
Pleurothallis (an orchid genus)
Plumeria (frangipani)
Poa
Podalyria
Podocarpus
Podophyllum (mayapple)
Podranea
Polemonium (jacob's ladder, abscess root)
Polianthes
Poliothyrsis
Polygala (milkwort, seneca, snakeroot)
Polygonatum
Polygonum (knotweed, knotgrass)
Polypodium
Polyscias
Polystichum
Poncirus
Pongamia
Pontederia (pickerel weed)
Populus (aspen, poplar, cottonwood)
Porana
Portea
Portulaca (purslane, moss rose)
Portulacaria
Posoqueria
Potamogeton
Potentilla (cinquefoil)
Pothos
× Potinara (hybrid orchid genus)
Pratia
Primula (primrose)
Prinsepia
Pritchardia
Proboscidea (unicorn plant)
Promenaea an orchid genus
Prosopis (mesquite)
Prostanthera (mint bush)
Protea
Prumnopitys
Prunella (self-heal)
Prunus (almond, apricot, cherry, peach, plum)
Pseuderanthemum
Pseudocydonia
Pseudolarix (golden-larch)
Pseudopanax
Pseudosasa
Pseudotsuga (douglas-fir)
Pseudowintera
Psilotum
Psychopsis (butterfly orchid)
Psylliostachys (statice)
Ptelea
Pteris (brake, table fern)
Pterocactus
Pterocarya (wingnut)
Pteroceltis
Pterocephalus
Pterodiscus
Pterostyrax
Ptilotus
Ptychosperma
Pueraria
Pulmonaria (lungwort)
Pulsatilla
Pultenaea
Punica (pomegranate)
Purshia
Puschkinia
Putoria
Puya
Pycnanthemum
Pycnostachys
Pyracantha (firethorn)
Pyrola (wintergreen)
Pyrostegia
Pyrrosia
Pyrus (pear)
Q [ edit ]
Quamoclit
Quaqua
Quercus (oak)
Quesnelia
Quisqualis
Quince
R [ edit ]
Ramonda
Ranunculus (buttercup, crowfoot)
Ranzania
Raoulia
Raphia (raffia)
Ratibida
Ravenala (traveler's tree)
Rebutia
Rehderodendron
Rehmannia
Reineckea
Reinwardtia
Reseda (Mignonette)
Retama
Rhamnus
Rhaphidophora
Rhaphiolepis
Rhapidophyllum (needle palm)
Rhapis (lady palm)
Rheum (rhubarb)
Rhexia
Rhipsalis
Rhodanthe (strawflower)
Rhodanthemum
Rhodiola
Rhodochiton
Rhododendron
Rhodohypoxis
Rhodophiala
Rhodothamnus
Rhodotypos
Rhoeo
Rhoicissus
Rhombophyllum
Rhus (sumac)
Rhynchelytrum
Rhynchostylis (an orchid genus)
Ribes (currant)
Richea
Ricinus (castor-oil plant)
Rigidella
Robinia
Rodgersia
Rodriguezia an orchid genus
Rohdea
Romanzoffia
Romneya (Matilija poppy, tree poppy)
Romulea
Rondeletia
Rosa (rose)
Roscoea
Rosmarinus (rosemary)
Rossioglossum an orchid genus
Rothmannia
Roystonea (royal palm)
Rubus (raspberry)
Rudbeckia (coneflower)
Ruellia
Rumex (dock)
Rumohra
Rupicapnos
Ruschia
Ruscus
Russelia
Ruta (rue)
S [ edit ]
T [ edit ]
Tabebuia
Tabernaemontana
Tacca
Tagetes (Mexican or French marigold)
Talinum (fameflower)
Tamarix (tamarisk)
Tanacetum (tansy)
Tanakaea
Tapeinochilos
Taxodium (bald cypress)
Taxus (yew)
Tecoma
Tecomanthe
Tecomaria
Tecophilaea
Telekia
Telephium
Tellima
Telopea (waratah)
Templetonia
Terminalia
Ternstroemia
Tetracentron
Tetradium (bee tree)
Tetranema
Tetraneuris
Tetrapanax
Tetrastigma
Tetratheca
Teucrium
Thalia
Thalictrum
Thelesperma
Thelocactus
Thelypteris
Thermopsis
Thespesia
Thevetia
Thlaspi
Thrinax (thatch palm)
Thryptomene (heath myrtle)
Thuja (thuja, arborvitae)
Thujopsis (hiba)
Thunbergia
Thymophylla
Thymus (thyme)
Tiarella
Tibouchina
Tigridia
Tilia (linden)
Tillandsia (air plant, Spanish moss)
Tipuana
Titanopsis
Tithonia (Mexican sunflower)
Todea
Tolmiea
Tolpis
Toona
Torenia
Torreya (nutmeg yew)
Tovara
Townsendia
Trachelium
Trachelium caeruleum (blue throatwort)
Trachelospermum
Trachycarpus (chusan palm)
Trachymene
Tradescantia (spiderwort)
Trapa (water caltrop)
Trichodiadema
Trichosanthes
Tricyrtis (toad lily)
Trientalis
Trifolium (clover)
Trillium
Tripetaleia
Tripterygium
Triteleia (triplet lily)
Tritonia
Trochodendron
Trollius (globeflower)
Tropaeolum (nasturtium)
Tsuga (hemlock)
Tsusiophyllum
Tuberaria
Tulbaghia
Tulipa (tulip)
Tweedia
Tylecodon
Typha (cattail)
U [ edit ]
Uebelmannia
Ugni
Ulex (gorse)
Ulmus (elm)
Umbellularia
Uncinia
Uniola
Urceolina
Urginea
Ursinia
Utricularia (bladderwort)
Uvularia (merrybells, bellwort)
V [ edit ]
Valeriana (garden valerian)
Vallea
Vancouveria
Vanda (an orchid genus)
Vanilla an orchid genus
Veitchia
Vellozia
Veltheimia
Veratrum
Verbascum (mullein)
Verbena
Vernonia (ironweed)
Veronica (speedwell)
Veronicastrum
Verticordia
Vestia
Viburnum
Victoria (giant waterlily)
Vigna (cowpea and various beans)
Viguiera
Vinca (periwinkle)
Viola (pansy, violet)
Virgilia
Viscaria
Vitaliana
Vitex
Vitis (grape)
Vriesea
W [ edit ]
Wachendorfia
Wahlenbergia
Waldsteinia
Washingtonia
Watsonia
Weberocereus
Wedelia
Weigela
Weingartia
Weldenia
Welwitschia
Westringia
Widdringtonia
Wigandia
Wigginsia
Wikstroemia
Wilsonaria (hybrid orchid genus)
Wisteria
Wittrockia
Wolffia
Woodsia
Woodwardia (chain fern)
Worsleya
Wulfenia
X [ edit ]
Xanthoceras
Xanthorhiza
Xanthosoma
Xeranthemum
Xerophyllum
Xylosma
Y [ edit ]
Z [ edit ]
Zaluzianskya
Zamia
Zamioculcas
Zantedeschia (calla lily)
Zanthoxylum
Zauschneria
Zea (maize)
Zelkova
Zenobia
Zephyranthes
Zigadenus
Zinnia
Zizania (wild rice)
Zygopetalum (an orchid genus)
See also [ edit ]
List of culinary fruits
List of foods
List of vegetables
List of leaf vegetables
Lists of plants
List of garden plants in the Americas
Sovereign states
Antigua and Barbuda
Argentina
Bahamas
Barbados
Belize
Bolivia
Brazil
Canada
Chile
Colombia
Costa Rica
Cuba
Dominica
Dominican Republic
Ecuador
El Salvador
Grenada
Guatemala
Guyana
Haiti
Honduras
Jamaica
Mexico
Nicaragua
Panama
Paraguay
Peru
Saint Kitts and Nevis
Saint Lucia
Saint Vincent and the Grenadines
Suriname
Trinidad and Tobago
United States
Uruguay
Venezuela
Dependencies and territories
Anguilla
Aruba
Bermuda
Bonaire
British Virgin Islands
Cayman Islands
Curaçao
Falkland Islands
French Guiana
Greenland
Guadeloupe
Martinique
Montserrat
Puerto Rico
Saba
Saint Barthélemy
Saint Martin
Saint Pierre and Miquelon
Sint Eustatius
Sint Maarten
South Georgia and the South Sandwich Islands
Turks and Caicos Islands
U.S. Virgin Islands