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Common Toxic Garden Plants
These plants are commonly found in gardens and yards. Gardeners should be aware of their toxicity.
396 plants
Absinth wormwood
Artemisia absinthium L.
Aconite-leaf buttercup
Ranunculus aconitifolius L.
African plantain
Plantago afra L. (synonyms: Psyllium afrum (L.) Mirb., Plantago psyllium L.)
Alfalfa
Medicago sativa L.
Alpenrose
Rhododendron ferrugineum L.
Alpine Rose
Rosa pendulina L. (synonym: Rosa alpina L.)
Alpine aster
Aster alpinus L.
Alpine clematis
Clematis alpina (L.) Mill.
Alpine delphinium
Delphinium elatum L.
American Cranberry
Vaccinium macrocarpon Aiton; syn. Oxycoccus macrocarpus (Aiton) Pers.
Angel's Trumpet
Brugmansia suaveolens Humb. & Bonpl. ex Willd.
Angel's Trumpet
Brugmansia versicolor Lagerh.
Anise
Pimpinella anisum L.
Apple of Peru
Nicandra physalodes (L.) Gaertn.
Apricot
Prunus armeniaca
Arnica
Arnica montana L.
Ash (Common European Ash)
Fraxinus excelsior L.
Ashwagandha
Withania somnifera (L.) Dunal (syn. Physalis somnifera L.)
Asiatic pennywort
Centella asiatica (L.) Urb., synonym Hydrocotyle asiatica L.
Bearberry
Arctostaphylos uva-ursi (L.) Spreng.
Bell and Chili Peppers
Capsicum annuum L., Capsicum cordiforme Mill., Capsicum annuum L. var. minimum (Mill.) Heiser, Capsicum annuum L. var. longum (Sendtn.)
Belladonna
Atropa bella-donna L.
Bigleaf hydrangea
Hydrangea macrophylla (Thunb.) Ser.; Hortensia opuloides Lam.; Hydrangea hortensia Siebold; Hydrangea macrophylla subsp. macrophylla (Thunb.) Ser.; Hydrangea opuloides (Lam.) K. Koch; Viburnum macrophyllum Thunb.
Bird's-foot trefoil
Lotus corniculatus L.
Black Cherry
Prunus serotina
Black Haw
Viburnum lentago
Black Henbane
Hyoscyamus niger L.
Black Nightshade
Solanum nigrum
Black cohosh
Actaea racemosa L.; Cimicifuga racemosa (L.) Nutt.
Black locust
Robinia pseudoacacia L.
Black medic
Medicago lupulina L.
Black-eyed Susan
Rudbeckia hirta L.
Blackberry
Rubus fruticosus aggr.
Blackthorn
Prunus spinosa L.
Bladder cherry
Physalis alkekengi L.
Bleeding heart vine
Clerodendrum thomsoniae Balf.
Blond Psyllium
Plantago ovata Forssk.; Plantago fastigiata E. Morris; Plantago insularis Eastw.; Plantago ispaghula Roxb. ex Fleming
Blue Daisy
Felicia amelloides
Bog Bilberry
Vaccinium uliginosum aggr., Vaccinium uliginosum L., Vaccinium gaultherioides Bigelow, Vaccinium uliginosum subsp. microphyllum (Lange) Tolm.
Bog rosemary
Andromeda polifolia L.
Breckland thyme
Thymus serpyllum aggr.
Broad bean
Vicia faba L.; Faba vulgaris Moench
Broad-leaved dock
Rumex obtusifolius L.
Broom
Cytisus scoparius (L.) Link
Brown knapweed
Centaurea jacea L.s.L.; Centaurea jacea L.s.str.; Centaurea jacea subsp. angustifolia Gremli; Centaurea jacea subsp. gaudinii (Boiss. & Reut.) Gremli
Buckwheat
Fagopyrum esculentum Moench; Polygonum fagopyrum L.
Bush vetch
Vicia sepium L.
Butterfly Iris
Iris spuria
Canada goldenrod
Solidago canadensis L.
Candle Plant
Plectranthus coleoides
Cardoon, Artichoke Thistle
Cynara cardunculus L.; Cynara scolymus L.
Cat's Whiskers
Orthosiphon aristatus (Blume) Miq.
Catawba rhododendron
Rhododendron catawbiense Michx.
Catnip
Nepeta cataria
Catsear
Hypochaeris radicata
Celery
Apium graveolens L.
Chamomile
Matricaria chamomilla L. (synonyms: Matricaria recutita L., Chamomilla recutita (L.) Rauschert, Matricaria courrantiana DC.)
Chaste Tree
Vitex agnus-castus L.
Cherry laurel
Prunus laurocerasus L.
Chervil
Anthriscus cerefolium
Chili pepper
Capsicum frutescens L.
China Aster
Callistephus chinensis
Chinese Hibiscus
Hibiscus rosa-sinensis L.
Chinese Wisteria
Wisteria sinensis (Sims) DC.; Glycine sinensis Sims
Choke Cherry
Prunus virginiana
Cilantro
Coriandrum sativum
Cineraria
Pericallis x hybrida (Scheidw.) B.Nord.
Clustered Dock
Rumex conglomeratus Murray
Coleus (Painted nettle)
Plectranthus scutellarioides (L.) R.Br.
Coltsfoot
Tussilago farfara L.
Common Bilberry
Vaccinium myrtillus L.
Common Hogweed
Heracleum sphondylium L.s.l.
Common Lilac
Syringa vulgaris L.
Common Privet
Ligustrum vulgare
Common Snowberry
Symphoricarpos albus (L.) S.F.Blake
Common dandelion
Taraxacum officinale aggr.
Common groundsel
Senecio vulgaris L.
Common hawthorn
Crataegus monogyna Jacq.
Common heather
Calluna vulgaris (L.) Hull (syn. Erica vulgaris L.)
Common jasmine
Jasminum officinale L.
Common lime (European linden)
Tilia x europaea L.
Common mallow
Malva sylvestris L.; Malva mauritiana L. (syn. Malva sylvestris subsp. mauritiana (L.) Boiss. ex Court)
Common sainfoin
Onobrychis viciifolia Scop. (syn. Onobrychis sativa Lam.)
Common sorrel
Rumex acetosa L.
Common toadflax
Linaria vulgaris Mill.
Common tormentil
Potentilla erecta (L.) Räuschel; syn. Potentilla tormentilla Necker
Corn mint
Mentha arvensis L.
Cornflower
Centaurea cyanus
Cow parsley
Anthriscus sylvestris (L.) Hoffm.
Cowslip
Primula veris L.s.l.
Curly Dock
Rumex crispus L.
Cutleaf coneflower
Rudbeckia laciniata L.
Dense blazing star
Liatris spicata (L.) Willd. (synonyms: Serratula spicata L., Liatris spicata var. resinosa (Nuttall) Gaiser, Liatris spicata var. spicata)
Dog rose
Rosa canina L.
Drooping laurel
Leucothoe fontanesiana (Steud.) Sleumer
Dwarf Mallow
Malva neglecta Wallr.
Dyer's broom
Genista tinctoria L.
Eggplant
Solanum melongena L.
Elecampane
Inula helenium L.
English Hawthorn
Crataegus laevigata
European Bittersweet
Solanum dulcamara
European columbine
Aquilegia vulgaris L.
European goldenrod
Solidago virgaurea L.s.l., Solidago virgaurea L. subsp. virgaurea, Solidago virgaurea subsp. minuta (L.) Arcang., Solidago alpestris W. & K.
False rhubarb
Rheum rhaponticum L.
Fenugreek
Trigonella foenum-graecum L.
Feverfew
Tanacetum parthenium (L.) Schultz Bip.
Field Poppy
Papaver rhoeas L.
Florist's Chrysanthemum
Chrysanthemum x grandiflorum hort.; Chrysanthemum morifolium Ramat.; Dendranthema x grandiflorum (Ramat.) Kitam.; Dendranthema x morifolium (Ramat.) Tzvelev
Forking larkspur
Consolida regalis Gray (syn. Delphinium consolida L.)
Gerber Daisy
Gerbera jamesonii
German primrose
Primula obconica Hance
Giant hogweed
Heracleum mantegazzianum Sommier & Levier
Golden chain
Laburnum anagyroides Medik. (syn. Cytisus laburnum L.)
Golden chervil
Chaerophyllum aureum L.
Grass pea
Lathyrus sativus L.
Greater Plantain
Plantago major L. (synonyms: Plantago major subsp. intermedia, Plantago intermedia, Plantago nana)
Greater celandine
Chelidonium majus L.
Greater musk-mallow
Malva alcea L.
Green hellebore
Helleborus viridis L.
Ground ivy
Glechoma hederacea L.s.l.
Gypsywort
Lycopus europaeus L.s.l.; Lycopus aquaticus Moench
Hoary plantain
Plantago media L.
Hollyhock
Alcea rosea
Honey Locust
Gleditsia triacanthos
Horse mint
Mentha longifolia (L.) Huds. (synonym: Mentha sylvestris L.)
Hybrid Alpine Rhododendron
Rhododendron x intermedium Tausch
Indian Azalea
Rhododendron simsii Planch.
Indian chrysanthemum
Chrysanthemum indicum L. (syn. Dendranthema indicum (L.) Des Moul.)
Japanese wisteria
Wisteria floribunda (Willd.) DC.
Jerusalem artichoke
Helianthus tuberosus L.
Jimson Weed
Datura stramonium L.
Juneberry
Amelanchier lamarckii F.G.Schroed.
Kidney Bean
Phaseolus vulgaris L.
Large-leaved linden
Tilia platyphyllos Scop. (syn. Tilia grandifolia Ehrh.)
Large-leaved lupine
Lupinus polyphyllus Lindl.
Lavender
Lavandula angustifolia Mill. (synonyms: Lavandula officinalis Chaix, Lavandula spica L., Lavandula vera DC.)
Lemon Balm
Melissa officinalis
Lenten Rose
Helleborus niger
Lovage
Levisticum officinale
Marjoram
Origanum majorana
Meadow clary
Salvia pratensis L.
Meadowsweet
Filipendula ulmaria (L.) Maxim. (syn. Spiraea ulmaria L., Ulmaria pentapetala Gilib.)
Milk thistle
Silybum marianum (L.) Gaertn.; Carduus marianus L.; Silybum maculatum (Scop.) Moench
Money Tree
Pachira aquatica
Monk's-rhubarb
Rumex alpinus L.
Monkshood
Aconitum napellus aggr.
Motherwort
Leonurus cardiaca L.
Mugwort
Artemisia vulgaris L.
Mum
Chrysanthemum spp.
Musk mallow
Malva moschata L.
Narrow-leafed lupine
Lupinus angustifolius L.
Narrow-leaved purple coneflower
Echinacea angustifolia DC.; Brauneria angustifolia (DC.) A. Heller; Echinacea pallida var. angustifolia (DC.) Cronq.
Narrow-leaved ragwort / South African ragwort
Senecio inaequidens DC.
Old man's beard
Clematis vitalba L.
Opium Poppy
Papaver somniferum L.
Orange coneflower
Rudbeckia fulgida Aiton
Oregano (Greek Oregano)
Origanum vulgare hirtum
Parsley
Petroselinum crispum
Parsnip
Pastinaca sativa L.s.l.; Pastinaca sativa L.s.str.; Pastinaca sativa L. subsp. sativa; Pastinaca sativa subsp. urens (Godr.) Celak.; Pastinaca sativa subsp. sylvestris (Mill.) Rouy & E.G. Camus
Peach
Prunus persica
Peacock Flower
Caesalpinia pulcherrima
Pennyroyal
Mentha pulegium L.
Peppermint
Mentha x piperita L.
Persian cyclamen
Cyclamen persicum Mill.
Pieris
Pieris japonica
Pink bell heather
Erica gracilis J.C.Wendl.
Plum
Prunus domestica
Portugal laurel
Prunus lusitanica L.
Pot Marigold
Calendula officinalis
Potato
Solanum tuberosum L.
Primrose
Primula vulgaris
Purple coneflower
Echinacea purpurea (L.) Moench
Queensland Bottle Tree
Brachychiton rupestris (T.Mitch. ex Lindl.) K.Schum.
Red clover
Trifolium pratense L.s.l.
Red pea
Lathyrus cicera L.
Rhubarb
Rheum rhabarbarum L.
Ribwort Plantain
Plantago lanceolata L.
Rose of Sharon
Hibiscus syriacus
Rosebay
Rhododendron spp
Rosemary
Rosmarinus officinalis
Rowan
Sorbus aucuparia L.; Synonym: Pyrus aucuparia (L.) Gaertn.
Saffron Crocus
Crocus sativus L.
Sage
Salvia officinalis
Salad Burnet
Poterium sanguisorba
Sand plantain
Plantago arenaria Waldst. & Kit.
Seven Bark
Hydrangea arborescens
Sheep sorrel
Rumex acetosella L.s.L
Sheepkill
Kalmia latifolia
Shrubby Jasmine
Jasminum fruticans L.
Shrubby plantain
Plantago sempervirens Crantz
Shrubby veronica
Hebe andersonii (Lindl. & Paxton) Cockayne
Silver linden
Tilia tomentosa Moench
Silver ragwort
Jacobaea maritima (L.) Pelser & Meijden
Small-flowered mallow
Malva parviflora L.
Small-leaved Linden
Tilia cordata Mill. (synonyms: Tilia ulmifolia Scop., Tilia parvifolia Ehrh.)
Snowy Mespilus (Serviceberry)
Amelanchier ovalis Medik.; Aronia rotundifolia Pers.
Sorrel
Rumex scutatus
Soybean
Glycine max (L.) Merr.; Glycine soja (L.) Merr.
Spearmint
Mentha spicata L. (synonym: Mentha viridis L.)
Spiny restharrow
Ononis spinosa L.
Spotted dead-nettle
Lamium maculatum (L.) L.
Stevia
Stevia rebaudiana
Stinking hellebore
Helleborus foetidus L.
Sweet Cherry
Prunus avium
Sweet Pea
Lathyrus latifolius
Sweet Pea
Lathyrus odoratus L.
Tall goldenrod
Solidago gigantea Aiton
Tansy
Tanacetum vulgare L.; Chrysanthemum vulgare (L.) Bernh.
Tarragon
Artemisia dracunculus
Thorn Apple
Crataegus douglasii
Thyme
Thymus vulgaris
Tobacco
Nicotiana tabacum L.
Tomato
Lycopersicon esculentum Mill., Solanum lycopersicum L.
Treasure Flower
Gazania rigens (L.) Gaertn.; Gazania splendens hort. ex Hend. & A.A. Hend.
Tree Tobacco
Nicotiana glauca
Tuberous pea
Lathyrus tuberosus L.
Valerian
Valeriana officinalis aggr.
Water fennel
Oenanthe aquatica (L.) Poir.
Water mint
Mentha aquatica L.
Water-hemlock
Cicuta virosa L.
Wax-Leaf
Ligustrum japonicum
White Snakeroot
Ageratina altissima
White Sweet Clover
Melilotus albus Medik.
White clover
Trifolium repens L.s.l.
White dead-nettle
Lamium album L.
White lupine
Lupinus albus L. (syn. Lupinus sativus Gaertn.)
Wild Strawberry
Fragaria
Wild quinine
Parthenium integrifolium L.
Winged broom
Genista sagittalis L.
Winter Cherry
Solanum pseudocapsicum
Winter Savory
Satureja hortensis
Winter jasmine
Jasminum nudiflorum Lindl.; Jasminum sieboldianum Blume
Wood anemone
Anemone nemorosa L.
Woodland crocus
Crocus tommasinianus Herb.
Woolly yarrow
Achillea tomentosa L.
Yarrow
Achillea millefolium
Yellow lupin
Lupinus luteus L.
Yesterday-today-and-tomorrow
Brunfelsia pauciflora (Cham. & Schltdl.) Benth.; Brunfelsia calycina Benth.
African Linden
Sparrmannia africana L.f.
Alexandrian senna
Cassia senna L., Cassia acutifolia Delile, Senna alexandrina Mill.
Alpine Ragwort
Senecio alpinus (L.) Scop.
Apple
Malus sylvestrus
Big-flowered Foxglove
Digitalis grandiflora Mill.
Billy Buttons
Craspedia glauca Spreng., Craspedia alpina Backh., Pycnosorus globosus Benth., Richea glauca Labill.
Birdsville indigo
Indigofera linnaei Ali
Bitter vetch
Lathyrus linifolius (Reichard) Bässler
Black Cumin
Nigella sativa L.
Blue-eyed African Daisy
Arctotis stoechadifolia
Blue-green spiny burr
Acaena buchananii Hook.f.
Bog Laurel
Kalmia poliifolia
Brunfelsia
Brunfelsia latiflora (Pohl) Benth.
Buckwheat
Fagopyrum spp.
Bulbous buttercup
Ranunculus bulbosus L.
Buttercup
Ranunculus spp.
Cape Marigold
Dimorphotheca pluvialis
Cherry
Prunus spp.
Chinese Aconite
Aconitum carmichaelii Debeaux
Chinese rhubarb
Rheum officinale Baill.
Chinese rhubarb
Rheum palmatum L., Rheum potaninii Losinsk., Rheum qinlingense Y.K.Yang, J.K.Wu & D.K.Zhang, Rheum tanguticum (Maxim. ex Regel) Maxim. ex Balf., Rheum officinale Baill.
Cinquefoil
Potentilla spp.
Clematis
Clematis spp.
Clematis
Clematis-Hybride
Common Marsh Marigold
Caltha palustris L.
Common agrimony
Agrimonia eupatoria L.
Common blanketflower
Gaillardia aristata Pursh; Gaillardia bicolor var. aristata (Pursh) Nutt.
Common lady's mantle
Alchemilla vulgaris L.; Alchemilla xanthochlora aggr.; Alchemilla pratensis auct.
Coreopsis
Coreopsis spp.
Corn buttercup
Ranunculus arvensis L.
Cowbane
Cicuta species
Creeping Rubus
Rubus pedatus
Creeping Zinnia
Sanvitalia spp.
Creeping buttercup
Ranunculus repens L.
Creeping indigo
Indigofera spicata Forssk.
Cretan oregano
Origanum onites L.; Origanum smyrnaeum L.; Majorana onites (L.) Bentham; Majorana cretica Mill.
Crown Vetch
Securigera varia (L.) Lassen (syn. Coronilla varia L.)
Cursed buttercup
Ranunculus sceleratus L.
Dahlia
Dahlia species
Daisy
Chrysanthemum species
Desert Trumpet
Eriogonium inflatum
Dill
Anethum graveolena
Dock
Rumex sp.
Dog Hobble
Leucothoe sp.
Doubtful knight's spur
Consolida ajacis (L.) Schur; Delphinium ajacis L.
Downy lady's mantle
Alchemilla hybrida aggr., Alchemilla pubescens Lam., Alchemilla glaucescens Wallr.
Erect clematis
Clematis recta L.
Fen ragwort
Senecio paludosus L.
Fetter Bush
Leucothoe spp.
Fetterbush
Lyonia spp.
Field marigold
Calendula arvensis L.
Figwort
Ranunculus acris
Flat pea
Lathyrus sylvestris L.
Fly Honeysuckle
Lonicera xylosteum L.
Fool's parsley
Aethusa cynapium L.
Fragrant agrimony
Agrimonia procera Wallr.; Agrimonia odorata auct.
Garden Angelica
Angelica archangelica L., Angelica officinalis Hoffm.
German greenweed
Genista germanica L.
Giant Aster
Townsendia sericea
Giant Hogweed
Heracleum maximum
Gladiola
Gladiolus species
Globe Thistle
Echinops spp.
Goat's rue
Galega officinalis L.
Golden clematis
Clematis tangutica (Maxim.) Korsh.
Great spearwort
Ranunculus lingua L.
Greater Ammi
Ammi majus
Greek Sage
Salvia triloba L.; Salvia fruticosa Mill.
Hairy alpenrose
Rhododendron hirsutum L.
Hairy buttercup
Ranunculus sardous Crantz, Ranunculus philonotis Retz
Hairy indigo
Indigofera hirsuta L.
Hawthorn
Crataegus species
Henbane Bell
Scopolia carniolica Jacq. (syn. Hyoscyamus scopolia)
Herb Christopher
Actaea spicata L.
Hoary ragwort
Senecio erucifolius L.; Jacobaea erucifolia (L.) P.Gaertn., B.Mey. & Scherb.
Indigofera lespedezioides
Indigofera lespedezioides Kunth, Indigofera pascuorum Benth.
Jasmine
Jasminum species
Lady of the night
Brunfelsia uniflora (Pohl) D.Don
Lambkill
Kalmia augustifolia
Larkspur
Delphinium species
Lavender
Lavendula angustifolia
Lesser celandine
Ranunculus ficaria L.; Ficaria verna Huds.
Lesser spearwort
Ranunculus flammula L.
Licorice
Glycyrrhiza glabra L.
Lingonberry
Vaccinium vitis-idaea L.
Loco Weed
Astragalus spp.
Loco Weed
Oxytropis spp.
Marsh mallow
Althaea officinalis L.
Marsh ragwort
Senecio aquaticus Hill
Meadow vetchling
Lathyrus pratensis L.
Mint
Mentha sp.
Mountain Fetter-bush
Pieris floribunda (Pursh) Benth. & Hook.f.
New York aster
Symphyotrichum novi-belgii (L.) G.L.Nesom (syn. Aster novi-belgii L.)
Nightshade
Solanum spp
Noble yarrow
Achillea nobilis L.
Northern wolfsbane
Aconitum lycoctonum L.s.l./L.s.str., Aconitum vulparia aggr./Rchb.s.str., Aconitum lycoctonum subsp. neapolitanum (Ten.) Nyman, Aconitum lycoctonum subsp. vulparia (Rchb.) Nyman, Aconitum altissimum Mill./Mill.p.p., Aconitum lamarckii Rchb., Aconitum ranunculifolium Rchb., Aconitum pyrenaicum L., Aconitum x platanifolium Degen & Gáyer, Aconitum penninum (Ser.) Gáyer
Oxlip
Primula eliator (L.) L.s.str.
Pale purple coneflower
Echinacea pallida (Nutt.) Nutt.
Patience Dock
Rumex patentia L.
Peanut
Arachis hypogaea L.
Petunia
Petunia species
Pheasant's eye
Adonis vernalis L.
Pink spur flower
Plectranthus fruticosus L'Her.
Prostrate Coleus
Plectranthus oetendahlii
Ragwort
Senecio jacobaea L. (syn. Jacobaea vulgaris L.)
Ragwort
Senecio species
Rattlebox
Crotalaria albida
Rayless Goldenrod
Haplopappus heterophyllus
Redvein Abutilon
Abutilon pictum (Gillies ex Hook. & Arn.) Walp.
Rhubarb
Rheum rhabarbarium
Roman Chamomile
Anthemis nobilis
Rosary Pea
Abrus precatorius
Rose
Rosa Species
Rough Chervil
Chaerophyllum temulum L.
Royal purple brunfelsia
Brunfelisa grandiflora D.Don
Russian Knapweed
Centaurea repens
Sheep laurel
Kalmia angustifolia L. (syn. Kalmia intermedia Lange)
Showy Daisy
Erigeron speciosus
Small cranberry
Vaccinium microcarpum (Rupr.) Schmalh.
Small cranberry
Vaccinium oxycoccos L. (synonyms: Oxycoccus palustris Pers., Oxycoccus quadripetalus Gilib.)
Small yellow foxglove
Digitalis lutea L.
Sowbread
Cyclamen spp
Spanish Thyme
Thymus zygis L.
Spring Parsley
Cymopterus watsonii
Spring crocus
Crocus albiflorus Kit.; Crocus vernus (L.) Hill subsp. albiflorus (Kit.) Asch. & Gr.
Spring vetchling
Lathyrus vernus (L.) Bernh.s.l.; Lathyrus vernus subsp. gracilis (Gaudin) Arcang.; Lathyrus vernus subsp. flaccidus Arcang.
Staggerbush
Lyonia sp.
Stavesacre
Delphinium staphisagria L.
Stiff sunflower
Helianthus pauciflorus Nutt.
Stinking Chamomile
Anthemis cotula
Strawberry
Fragaria spp.
Summer pheasant's-eye
Adonis aestivalis L.
Swamp Sunflower
Helianthus angustifolius
Tall yellow sweetclover
Melilotus altissimus Thuill.
Tickseed
Coreopsis californica
Tinnevelly senna
Senna alexandrina Mill. (syn. Cassia angustifolia Vahl)
Tomato Plant
Lycopersicon spp
Variegated monk's hood
Aconitum variegatum L.s.l.
Velvet Plant
Gynura aurantica
Virgin's Bower
Clematis sp.
Water Flag
Iris species
Water Hemlock
Cicuta maculata
Water hyssop
Bacopa monnieri (L.) Pennell
Waterfennel
Oenanthe fistulosa L.
Waterfennel, Water Dropwort
Oenanthe lachanalii C.C.Gmel.
White Heads
Sphenosciadium capitellatum
Wild Buckwheat
Eriogonium umbellatum
Wild angelica
Angelica sylvestris L.
Wild bishop
Bifora radians
Winter heath
Erica carnea L.; Erica herbacea L.; Erica mediterranea L.
Wisteria
Wisteria spp.
Woolly foxglove
Digitalis lanata Ehrh.
Yellow Monkshood
Aconitum anthora L.
Yellow Starthistle
Centaurea solstitialis
Yellow Sweet Clover
Melilotus officinalis Lam., Melilotus arvensis Wallr.
Yellow azalea
Rhododendron luteum Sweet; synonyms: Rhododendron flavum G. Don, Azalea pontica L.
Yellow iris
Iris pseudacorus L.
Yesterday, Today, Tomorrow
Brunfelsia species
Zinnia
Zinnia species