List of toxic ornamental plants to avoid



Before you buy an ornamental plant for home, check this list. The plant leaves may be eaten by children and can be poisonous/toxic to them.

Toxic Ornamental and Garden Plants

Common Name
Scientific Name
Toxic Parts
System Affected
Alpenrose
Rhododendron Ferrugineum
Flowers Leaves
Gastroenteric
American Mistletoe
Phoradendrom Flavescens
Berries
Gastroenteric



Azalea
Azalea Spp.,
ALL PARTS
Gastroenteric



Black Locust
Robinia Pseudoacacia
Bark, Green Growth, Seeds, Proably, Thorns = Mechanical Hazard
Gastroenteric, Cardiac, Neurologic
Black Nightshade
Solanum Nigrum
ALL PARTS
Gatroenteric
Bluebonnets
Lupinus Spp.,
Seeds
Neurologic
Bog Billberry
Vaccinium Uliginosum
Berries (verry suseptible to a fine mold, which may be responsible for any toxicities)
Neurologic, Gastroenteric
Boxwood or Box
Buxus Sremervirens
ALL PARTS
Mainly Cardiac, Gastroenteritis, Neurologic
Common Name
Scientific Name
Toxic Parts
System Affected
Bulbous Corydalis
Corydalis Cava
Bulbs
Neurologic
Buttercup (Meadow)
Ranunculus Sceleratus
All Top Growth
Gatroenteric, Neurologic, Renal
Buttercup (Celery-Leafed
Ranunculus Sceleratus
All Top Growth
Mainly Gstroenteric, Neurologic
Caladium (Sometimes Called Elephants Ear)
Caldium Spp.,
Leaf, Stem, Stalk
Stomatitis-Glossitis
Castor Bean
Ricinus Communis
ALL PARTS
Gastroenteric, Neurologic
Cherry Laurel
Prunus Laurocerasus
Pits Or Seeds
Cyanide Producer
Common Name
Scientific Name
Toxic Parts
System Affected
Chinaberry
Melia Azedarach
Fruit
Neurologic
Chinese Evergreen
Aglaonema Spp.
Leaves
Stomatitis-Glossitis
Chinese Primrose
Primula Obconica
Sap
Mainly Dermatitis, Slight Gastroenteric
Chinese Wisteria
Wisteria Sinensis
Seeds
Hepatogenous
Christmas Cherry
Solanum Pseudocapsicum
Berries
Gastroenteric
Christmas Rose
Helleborus Niger
Leaves and Stems
Cardiac, Gastroenteric, Neurologic
Climbing Lily
Gloriosa Superba
ALL PARTS
Gastroenteric
Common Bean
Phaseolus Vulgaris
Green, Uncooked Pods and Tendrils
Gastroenteric, Neurologic
Common Privet
Ligustrum Vulgare
ALL PARTS Berries most potent
Gastroenteric, Mild
Crous
Crocus Sativus, Colchicum autumnale
Primarily Bulbs
Gastroenteric, Renal, Cardiac
Common Name
Scientific Name
Toxic Parts
System Affected
Croton (Variegated)
Codiaeum Variegatum
Sap and Stems
Dermatitis, Mild (Sap),Stomatitis (Stems)
Croton
Croton Tiglium
Expecially the Seeds
Gastroenteric, Neurologic
Cycad
Zamia Spp., Zamia Floridana, Cycas Revoluta
Seed Expecially, Ocasionally Meal
Hepatic
Cyclamen
Cyclamen Purpurascens
Tuberous Rhizomes and Sap
Gastroeneteric, Neurologic, Dermatitis
Daffodil
Narcissus Pseudonarcissus
Primarily Bulbs, But all of Plant
Gastrenteric
Deadly Nightshade
Solanum Nigrum or Atropa Belladonna
ALL PARTS
Gastroenteric
Dieffenbachia or Mother-in-Law Plant
Sambucus Nigra
Leaves, Stem, Stalk
Stomatitis-Glossitis
Elephat's Ear
Alocasia Spp., Colocasia Antiquorum, Philodendron SPP.
ALL PARTS
Stomatitis-Glossitis
Euonymus
Euonmus Spp.
Leaves, Berries, Stem, Sap
Cardiac
Flase Acacia (see Black Locust)
Rodinia Pseudoacacia

Common Name
Scientific Name
Toxic Parts
System Affected
Firethorn
Pyracantha Coccinea
Berries
Gastroenteric, Mild; Mild Cyanide Producer
Foxglove
Digitalis Purpurea
ALL PARTS
Cardiac
Glory Lily
Gloriosa Superba
WHOLE PLANT
Cardiac
Golen Chain
Laburnum Anagyroides
ALL PARTS
Gastroenteric, Neurologic
Golden Pothos (potted Ivy)
Epiprenum (Scindapsus) spp.
All Parts
Stomatitis-Glossitis
Heavenly Blues or Morning Glory
Ipomoea Purpurea
Especially Seeds
Neurologic
Henbane
Hyoscyamus Niger
WHOLE PLANT
Neurologic (Resembles Atropine Overdose)
Holly
Ilex Aquifolium
Especially Seeds
Gastrenteric, Neurologic
Hydrangea
Hydrangea Macrophylla, H. Quercifoia, H. Arborescens
ALL PARTS
Gastroenteric (Mild cyanide Producer, No clinical Signs Associated with this Cardiac
Common Name
Scientific Name
Toxic Parts
System Affected
Ivy (English)
Hedera Helix
Seeds Or Fruit
Gastroenteric, Neurologic
Japanese Wisteria
Wisteria Floribunda
Seeds
Gastroenteric
Jassamines (Day or Night Blooming)
Cestrum Diurnum or Cestrum Nocturnum
Berries (Ripe and Unripe)
Gastroenteric, Neurologic: (C. Diurum contains Vitamin D)
Jimson Weed, Moon Trumpet, Thornapple
Datura Stramonium
ALL PARTS
Neurologic (Resembles Atropine Overdose)
Kafir Lily
Clivia Miniata
Bulbs Mostly
Gastroenteric
Lantana
Lantana Camara
Fruit
Gastroenteric, Mildly Cardiac
Larkspur
Delphinium Elatum
Flowers and Seeds
Gastroenteric, Cardiac, Neurologic, DEATH
Lily of the Valley
Convallaria Majalis
WHOLE PLANT
Cardiac, Renal
Matrimony Vine
Lycium Barbarum,L.HalimifoliumL.Carolinianum
Leaf, Stem, Stalk
Gastroenteric, Neurologic, Cardiac, DEATH
Monkshood
Aconitum Napellus
ALL PARTS
Gastroenteric, Neurologic, Cardiac, DEATH
Common Name
Scientific Name
Toxic Parts
System Affected
Moon Trumpet (See Jimson Weed)
Datura Stramonium

Morning Glory
Ipomoea Purpuera

Mother-In-Law Plant (See Dieffenbachia)
Dieffenbachia Spp.

Nandina
Nandina Domestica
Foliage and Berries
Cyanide Producers
Oleander
Nerium Oleander
ALL PARTS
Cardiac




Poinsettia
Euphorbia Pulcherrima
ALL PARTS
Gastroenteric
Poppy
Papaver Spp.
Berries, Stems, Sap
Neurologic, Secondary Efects on Respiratory
Potato
Solanum Tuberosum
Edible Tubers, But Green Growth and Sprouts are Toxic; Most Top Parts
Gastroenteric
Common Name
Scientific Name
Toxic Parts
System Affected
Purple Flag Iris
Iris Versicolor
Bulbs
Gastroenteric
Pyacantha (See Firethorn)
Pyracantha Coccinea

Rhododendron
Rhododendron Ferrugineum
ALL PARTS
Gastroenteric
Rhubarb
Rheym Rhaponticum
Leaves
Stomatitis-Glossitis
Sowbread (See Cyclamen)
Purpuracens

Split-Leaf Philodendrom
Philodendrom Spp., Monstera Spp., Daphne Laureola
ALL PARTS
Stomatitis-Glossitis
Spurge Laurel
Daphne Laureola
ALL PARTS
Cardiac, Gastroenteric, Neurologic
Star-Of-Bethlehem
Ornithogalum Umbellatum
Bulbs
Gasttroenteric, Neurologic
Stinking Iris
Iris Foetidissima
WHOLE PLANT
Gastroenteric, Severe
Sweet Pea
Lathyrus Odoratus
Folage and Seeds
Neurologic
Common Name
Scientific Name
Toxic Parts
System Affected
Sweetheart Vine
Philodendron Spp.,
Leaves, Sems, Stalk
Stomatitis-Glossitis
Thornapple (See Jimson Weed)
Datura Stranonium

Tobacco
Nicotiana Tabacum
Leaves
Neurologic
Tulip
Tulipa Spp.,
Bulbs
Gastroenteric, Neurologic Stomatitis-Glossitis
Virginia Creeper, American Ivy
Parthenocissus Quinquefolia
Leaves, Stem
Stomatitis-Glossitis
Wild Rosemary
ledum Palustre
Esential Oil Contained in Leaes
Gastroenteric, Neurologic, Cardiac, DEATH
Wolf's Bane
Aconitum Vulparis
ALL PARTS
Gastroenteric, Neurologic, Cardiac, DEATH
Wood Laurel
Daphne Laureola
ALL PARTS
Cardiac, Gastroenteric, Neurologic
Yellow Iris
Iris Pseudaccorus
Bulbs
Gastroenteric, Neurologic
Yellow Jessamine
Gelsemium Semervirens
Berries and Roots
Neurologic
Common Name
Scientific Name
Toxic Parts
System Affected
Yew
Taxus Spp.,
Foliage, Bark, Seeds
Cardiac, Neurologic
Youpon Holly
Ilex Vomitoria
Berries
Gastroenteric


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