Sweet Potato
Ipomoea batatas
Also known as: yam, sweet yam
Safety by species
Hermann's Tortoise
Testudo hermanni
[confidence: high] [source: The Tortoise Table; Tortoise Trust Mediterranean tortoise diet] Very high sugar and starch; not appropriate for strict herbivore tortoises requiring low-sugar, high-fiber diet.
Leopard Tortoise
Stigmochelys pardalis
[confidence: high] [source: Reptifiles leopard tortoise care; exotic reptile vet review] Very high sugar and starch; entirely inappropriate for grass-grazing leopard tortoise.
Russian Tortoise
Agrionemys horsfieldii
[confidence: high] [source: The Tortoise Table; Tortoise Trust Russian tortoise diet] Very high sugar and starch; not appropriate for strict herbivore tortoise from arid environment.
Sulcata Tortoise
Centrochelys sulcata
[confidence: high] [source: Reptifiles sulcata tortoise care] Very high sugar and starch; entirely inappropriate for grass-grazing Sulcata tortoise.
Greek Tortoise
Testudo graeca
[confidence: high] [source: The Tortoise Table; Tortoise Trust Mediterranean tortoise diet] Very high sugar and starch; not appropriate for strict herbivore tortoises that require low-sugar, high-fiber diet.
Eastern Box Turtle
Terrapene carolina
High in vitamins. Good occasional vegetable.