Basking

Can Greek Tortoises eat Oleander?

Nerium oleander

Safety verdict

Toxic

Why

Cardiac glycosides — a few leaves can be lethal.

Sources

The Tortoise TableThe Tortoise Table
Nerium oleander — toxic. Extremely poisonous. Small amounts can be lethal.
Not veterinary advice. This information is for educational purposes. Always consult a qualified exotic animal veterinarian for guidance specific to your pet.