Oleander
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Oleander
Names: Nerium oleander, rose laurel
Description: Evergreen shrub / tree, with thick, leathery leaves. Flowers grow in clusters and can be white, pink or red.
Concern level: Very high, oleander is widely used in ornamental planting and an ounce of leaves can kill a full grown horse.
Toxic parts: All parts of the plant.
Symptoms: Occur several hours after ingestion, colic, profuse sweating, bloody diarrhea, difficulty breathing, heart arrhythmia, sweating, lack of coordination, tremors, death from heart failure.
Danger: Contains toxins called oleandrin and neriin which disrupt normal heart function. Can be fatal.
More information: International Oleander Society
Poisonous plants by letter
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Looking for a plant but don't know the name? Try the toxic plant identifier
This information is for reference only, if you think your horse has eaten something toxic, call your vet right away.










