Can Greek Tortoises eat Purslane?
Portulaca oleracea
Safety verdict
Caution
Why
[confidence: high] [source: The Tortoise Table plant database (www.thetortoisetable.org.uk) and exotic reptile vet review specializing in chelonian nutrition] Purslane (Portulaca oleracea) is high in oxalic acid, which binds dietary calcium and can contribute to metabolic bone disease or kidney issues in Greek tortoises with repeated feeding. It also contains relatively high levels of omega-3 fatty acids, which are unusual for a tortoise diet and not well studied long-term.
How much / how often
Offer only occasionally as a small component of a varied diet — no more than once every 2–3 weeks in small amounts.
Preparation
Feed fresh and unwashed only if sourced from pesticide-free areas; avoid plants from roadsides or treated gardens.
Nutrition (per 100 g)
65 mg
Calcium
44 mg
Phosphorus
1.5:1
Ca:P ratio
high
Oxalate
2 g
Protein
0.4 g
Fiber
Reviewed by admin on May 2026