Skip to content

Can Guinea Pigs Eat Collard Greens?

Yes, guinea pigs can eat collard greens, a leafy green vegetable packed with nutrients. Most guinea pigs enjoy the large, crunchy leaves, which can be fed whole or in pieces. Collard greens are high in vitamin C and calcium, but because they also contain oxalates, they should be offered in moderation alongside a variety of other fresh vegetables.


How to Safely Feed Collard Greens

  • Frequency: A few times a week, mixed with other leafy greens and vegetables.
  • Quantity: Small amounts due to high oxalate content.
  • Preparation: Wash thoroughly before feeding to remove any dirt or pesticides.
  • Portion tips: Feed whole leaves if your guinea pig prefers, but chopped is also fine. Mix with a variety of other vegetables for a balanced diet.

Benefits of Collard Greens

  • High in vitamin C — Supports immune health and helps prevent scurvy.
  • High in calcium — Helps keep bones and teeth strong.
  • Rich in fibre — Supports healthy digestion.
  • Rich in vitamin K — Helps strengthen bones.
  • Enjoyed by most guinea pigs — Often prefer whole leaves and will eat stalks as well.

⚠️ Oxalate Warning
Collard greens are high in oxalates. Feeding large amounts regularly can contribute to bladder stones, a serious health issue for guinea pigs. Always offer small portions and combine with a variety of other leafy greens to keep your pets healthy.


Guinea Pig Food Charts in Full Colour showing what vegetables, fruit and herbs guinea pigs can safely eat and how often, plus meal planner. Available to purchase.

Nutritional Information

Nutritionmg per 100g
Vitamin C89.4
Calcium276
Sugar0.5
Water87.5
Fibre3.8
Phosphorous45

Safe Vegetables

Full information on safe vegetables for guinea pigs including feeding guide ›

🫑 Bell PeppersRead the Bell Pepper guide ›
🥬 Bok ChoyRead the Bok Choy (Pak Choi / Chinese Leaf) guide ›
🥦 BroccoliRead the Broccoli guide ›
🥕 CarrotsRead the Carrot guide ›
🌱 CeleriacRead the Celeriac guide ›
🌱 CeleryRead the Celery guide ›
🥬 Collard GreensRead the Collard Greens guide ›
🌾 Corn on the CobRead the Corn guide ›
🥒 CucumberRead the Cucumber guide ›
🌼 DandelionRead the Dandelion guide ›
🌿 FennelRead the Fennel guide ›
🌿 French Beans (Fine Green Beans)Read the French Beans guide ›
🥬 KaleRead the Kale guide ›
🥬 LettuceRead the Lettuce guide ›
🌿 SpinachRead the Spinach guide ›
🍅 TomatoRead the Tomato guide ›
🍃 WatercressRead the Watercress guide ›

Safe Herbs

Full information on safe herbs for guinea pigs and feeding guide

🌿 BasilRead the Basil guide ›
🌱 Coriander (Cilantro)Read the Coriander guide ›
🌿 DillRead the Dill guide ›
🌱 MintRead the Mint guide ›
🌿 ParsleyRead the Parsley guide ›

Safe Fruits

Full information on safe fruit for guinea pigs and feeding guide

🍎 AppleRead the Apple guide ›
🍌 BananaRead the Banana guide ›
🫐 BlueberriesRead the Blueberries guide ›
🍇 GrapesRead the Grape guide ›
🍈 MelonRead the Melon guide ›
🍓 StrawberriesRead the Strawberry guide ›
🍉 WatermelonRead the Watermelon guide ›

Monique Hanford

Monique Hanford

Monique Hanford is a trusted guinea pig expert and founder of Guinea Piggles, one of the UK’s leading resources on guinea pig welfare. With nearly a decade of hands-on experience and research into guinea pig care, she provides practical, evidence-based guidance to help owners give their pets the best possible lives. Find out more...View Author posts