Toxic or Unsafe Plants:
A Comprehensive List

A

Acokanthera (all parts toxic, except ripe fruit)
Aconite
Agapanthus
Alacia
Amaryllis (bulbs)
Angel's Trumpet (leaves seed and flowers)
Apricot pits, leaves and bark
Apple seeds, leaves, bark
Arrowhead Vines
Autumn Crocus/Meadow Saffron
Avocado
Azalea (leaves)

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B

Balsam Pear (seeds; outer rind)
Baneberry (berries; root)
Beans (all types if uncooked)
Belladonna
Bird of Paradise (seeds)
Bitter Melon
Bittersweet Nightshade
Black Locust (bark; sprouts; foliage)
Bleeding Heart/Dutchman's Breeches
Bloodroot
Blue-green algae (some forms are toxic)
Bonsai Tree
Boxwood (leaves; stems)
Bracken Fern
Broadbean
Broomcorn Grass
Buckthorn (fruit; bark)
Burdock
Buttercup (sap; bulbs)

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C

Caladium (leaves)
Calla Lily (leaves)
Candelabra Tree/Cactus
Cardinal Flower
Castor Bean (castor oil; leaves)
Cat claw Acacia (twigs and leaves)
Chalice Vine/Trumpet Vine
Cherry (pits, leaves and bark)
Chinaberry
Christmas Cactus
Christmas Candle (sap)
Chrysanthemum
Clematis/Virginia Bower
Coral Plant (seeds)
Coral Vine
Cowslip/Marsh Marigold
Creeping Charlie
Crocus
Crown of Thorns
Croton
Cycad or Sago Cycas

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D

Daffodil (bulbs)
Daphne (berries)
Datura (berries)
Deadly Amanita
Death Camas
Delphinium
Deiffenbacchia/Dumb Cane (leaves)
Devil's Ivy

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E

Eggplant (fruit okay)
Elderberry
Elephant's Ear/Taro (leaves; stem)
Elephant's Foot
Emerald Duke
English Ivy (berries; leaves)
Euonymus/Spindle Tree
European Pennyroyal

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F

False Hellebore
False Henban
Fava Bean
Fig plant
Firethorn/Pyracantha
Fly Agaric Mushroom/Deadly Amanita
Four O'Clock
Foxglove (leaves; seeds)

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G

Geranium
Glacier Ivy
Gold Toothed Aloe
Golden Chair/Laburnum
Ground Cherry

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H

Heart Ivy
Heartleaf
Heavenly Bamboo
Heliotrope
Hellebore
Hemlock (including water the plant is in)
Henbane (seeds)
Holly (berries)
Honey Locust
Honeysuckle
Horse Bean
Horse Chestnut/Buckeye (nuts; twigs)
Horse Nettle
Horsetail
Hyacinth (bulbs)
Hydrangea (flower bud)

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I

Indian Laurel
Indian Licorice Bean
Indian Turnip/Jack-In-The-Pulpit
Indigo Plant
Iris/Blue Flag(bulbs)
Ivy

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J

Jack-in-the-Pulpit
Jasmine
Java Bean (lima bean-uncooked)
Jerusalem Cherry
Jimsonweed/Thornapple
Johnson Grass
Jonquil
Juniper (needles; stems; berries)

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K

Kalanchoe
Kentucky Coffee Tree

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L

Lantana (immature berries)
Larkspur
Laurel
Licorice Plant
Lily of the Valley
Lobelia
Locoweed
Lords & Ladies/Cuckoopint
Lupines/Bluebonnet

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M

Mandrake
Mango Tree (wood; leaves; rind--fruit is safe)
Marijuana/Hemp (leaves)
Majesty
Marble Queen
May Apple (fruit is safe)
Mescal Beans (seeds)
Milkweed
Mistletoe (berries)
Mock Orange (fruit)
Monkshood/Aconite (leaves; root)
Moonseed
Morning Glory
Mountain Laurel
Mushrooms (several varieties)

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N

Narcissus
Needlepoint Ivy
Narcissus (bulbs)
Nephthytis
Nettles
Nightshades (all varieties)
Nux Vomica
Nutmeg

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O

Oak
Oleander (leaves; branches; nectar of blossoms)

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P

Pansy
Parlor Ivy
Peach leaves, pit, bark
Pear leaves, seeds, bark
Pencil Tree/Cactus
Peony
Periwinkle
Peyote/Mescaline
Philodendron
Pigweed
Pikeweed
Pine Needles (berries)
Plum leaves, pit, bark
Poinsetta (leaves; roots; immature)
Poison Elder
Poison Hemlock
Poison Ivy (sap)
Poison Oak (sap)
Poison Sumac
Pokeweed /Inkberry (leaves; roots; immature berries)
Poppy
PotMum
Potato (eyes; new shoots)
Pothos
Primrose
Privet
Pyracantha

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Q

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R

Ragwort
Rain Tree
Ranunculus/Buttercup
Red Maple
Red Princess
Rhodendendron
Rhubarb (leaves)
Ripple Ivy
Rosary Peas/Indian Licorice (seeds)

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S

Saddle Leaf
Sage
Sago Plant
Sandbox Tree
Scarlet Runner Beans
Shamrock plant
Skunk Cabbage
Snowdrop
Snowflake
Snow on the Mountain/Ghostweed
Sorghum Grass
Sorrel
Split Leaf Philodendron
Spider Mum
Sprengeri Fern
Spurges
Star of Bethlehem
String of Pearls
Sudan Grass
Sweet Pea (seeds; fruit)

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T

Tansy
Thorn Apple
Tobacco (leaves)
Tomato (stems and leaves)
Tulip

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U

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V

Vetch
Virginia Creeper (sap)

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W

Water Hemlock
Wisteria
Wolfbane

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X

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Y

Yam bean (roots; immature roots)
Yellow Jasmine
Yew (American; English; Japanese; Western) (needles; thistles)

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Z

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