This list contains plants that have been reported as having systemic effects on animals and/or intense effects on the gastrointestinal tract. This plant list is not meant to be all-inclusive; rather, it is a compilation of the most frequently encountered toxic plants.
A
Aloe
Amaryllis
Andromeda Japonica
Asian Lily (Liliaceae)
Asparagus Fern
Australian Nut
Autumn Crocus
Avocado
Azalea
B
Bird of Paradise
American Bittersweet
European Bittersweet
Branching Ivy
Buckeye
Buddist Pine
C
Caladium
Calla Lily
Castor Bean
Ceriman (aka Cutleaf Philodendron)
Charming
Diffenbachia
Chinaberry Tree
Chinese Evergreen
Christmas Rose
Clematis
Cordatum
Corn Plant (aka Cornstalk Plant)
Cornstalk Plant (aka Corn Plant)
Cutleaf Philodendron (aka Ceriman)
Cycads
Cyclamen
D
Daffodil
Day Lily
Devil's Ivy
Dumb Cane
Deadly Nightshade (See Nightshade)
E
Easter Lily
Elephant Ears
Emerald Feather (aka Emerald Fern)
Emerald Fern (aka Emerald Feather)
English Ivy
F
Fiddle-Leaf Philodendron
Flamingo Plant
Florida Beauty
Foxglove
Fruit Salad Plant
G
Glacier Ivy
Gladiolas
Glory Lily
Gold Dieffenbachia
Gold Dust Dracaena
Golden Pothos
Green Gold Nephthysis
H
Hahn's self branching English Ivy
Heartleaf Philodendron
Heavenly Bamboo
Holly
Hops
Horsehead Philodendron
Hurricane Plant
Hyacinth
Hydrangea
I
Iris
J
Japanese Show Lily
Japanese Yew (aka Yew)
Jerusalem Cherry
K
Kalanchoe
L
Lace Fern
Lacy Tree
Lily of the Valley
M
Macadamia Nut
Madagascar Dragon Tree
Marble Queen
Marijuana
Mauna Loa Peace Lily (aka Peace Lily)
Mexican Breadfruit
Mistletoe "American"
Morning Glory
Mother-in-Law
N
Narcissus
Needlepoint Ivy
Nephthytis
Nightshade
O
Oleander
Onion
Orange Day Lily
P
Panda
Peace Lily (aka Mauna Loa Peace Lily)
Philodendron Pertusum
Plumosa Fern
Precatory Bean
Q
Queensland Nut
R
Red Emerald
Red Lily
Red-Margined Dracaena (aka Straight-Margined Dracaena)
Red Princess
Rhododendron
Ribbon Plant (Dracaena sanderiana)
Rubrum Lily
S
Saddle Leaf Philodendron
Sago Palm
Satin Pothos
Schefflera
Spotted Dumb Cane
Stargazer Lily
Striped Dracaena
Sweetheart Ivy
Swiss Cheese Plant
T
Taro Vine
Tiger Lily
Tomato Plant
Tree Philodendron
Tropic Snow Dumbcane
Tulip
V
Variable Dieffenbachia
Variegated Philodendron
W
Warneckei Dracaena
Wood Lily
Y
Yesterday, Today, Tomorrow
Yew (aka Japanese Yew)
Yucca
All rights reserved. Copyright 2008 by Annette Gilliam
