Oleander
Nerium oleander
Also known as: common oleander, rose bay
Safety by species
Russian Tortoise
Agrionemys horsfieldii
Extremely toxic. Contains oleandrin and other cardiac glycosides — a few leaves can be lethal. Do not plant near tortoise enclosures.
Hermann's Tortoise
Testudo hermanni
Extremely toxic — a few leaves can be lethal. Do not plant near enclosures.
Greek Tortoise
Testudo graeca
Cardiac glycosides — a few leaves can be lethal.
Sulcata Tortoise
Centrochelys sulcata
Extremely toxic cardiac glycosides. Do not plant near enclosures.
Leopard Tortoise
Stigmochelys pardalis
Extremely toxic — a few leaves can be lethal.
Red-footed Tortoise
Chelonoidis carbonarius
Extremely toxic. Do not plant near enclosures.
Eastern Box Turtle
Terrapene carolina
Extremely toxic — a few leaves can be lethal.