Watercress for Dogs: A Complete Guide
Watercress is one of the oldest known leafy greens consumed by humans with records of its use dating back to 400 BC in ancient Greece and Rome. In areas rich in natural springs, wild watercress grew abundantly, but it was not until the middle of the 16th century that watercress as we know it today was first systematically cultivated.
The diet of domestic dogs has mirrored that of their human companions for thousands of years. Wild or cultivated, watercress would have been part of the diet of both species for all that time, although perhaps never more than it is today.
Can dogs eat watercress?
Yes, dogs can safely eat watercress says our in-house dog nutritionist. This highly nutritious leafy green vegetable is a safe, low-calorie superfood for dogs that provides a dense concentration of essential nutrients, antioxidants and vitamins.
Considered by some to be the healthiest of all vegetables due to its exceptional nutrient density, watercress serves as an excellent, low-oxalate alternative to spinach or kale in homemade dog food.
Health benefits of watercress for dogs
Key health benefits of watercress for dogs include:
- Cancer prevention support: watercress belongs to the cruciferous vegetable family and is rich in potent antioxidants that help prevent cellular DNA damage. Studies show that adding cruciferous vegetables to a dog’s diet can drastically lower the risk of specific cancers such as bladder cancer.
- Weight management & hydration: composed of roughly 95% water and containing a mere 11 calories per 100 grams, watercress helps curb overeating through its natural fibre content without adding unnecessary calories. Its high moisture content also naturally aids your dog’s daily hydration.
- Bone & blood health: watercress is an exceptional source of vitamin K which plays a vital role in proper blood clotting and bone metabolism. It also delivers essential calcium and magnesium to support skeletal strength.
- Immune & organ support: packed with vitamin C (offering more per gram than an orange), vitamin A, and beta-carotene, watercress helps protect cells from oxidative stress, promotes vision health and boosts cardiovascular function.
- Low-oxalate alternative to other leafy greens: unlike spinach or chard, watercress has negligible oxalate levels. This makes it significantly safer for regular feeding as it won’t interfere with calcium absorption or encourage bladder stones.
How much watercress can dogs eat?
Follow the 10 percent rule of homemade dog food. Individual ingredients such as watercress should not make up more than 10 percent of your dog’s overall caloric intake.
Other dog-safe vegetables
- Broccoli. Nutrient-dense canine superfood.
- Sweet potatoes
- Carrots
- Green beans. Low calorie, high fibre, vitamin rich.
- Leafy greens
- Parsnips
- Celery
- Beetroot
See the full range of dog-safe vegetables here.
How to feed a dog watercress
1. Unless you absolutely know what you’re doing, only feed your dog shop-bought, commercially grown watercress. Wild watercress growing in streams can carry dangerous parasites or waterborne bacteria.
2. Rinse the greens well under cold running water to clear any lingering residue.
3. Dogs lack the digestive enzymes needed to break down whole plant cell walls efficiently. Finely mincing or pureeing the leaves helps them absorb the maximum amount of nutrients.
4. Stir it directly into your dog’s food.
Frequently asked questions
Q. What are the health benefits of watercress for dogs?
A. Watercress is exceptionally low in calories and boasts a high water content making it excellent for hydration and weight management. It provides vitamin K and calcium for healthy bones, vitamins A and C to support immune health, eyes and skin and antioxidants crucial for combating oxidative stress. Studies show that cruciferous vegetables such as watercress can even help reduce certain cancer risks in dogs.
Q. How much watercress can I safely feed my dog?
A. Watercress should not make up more than about 10 percent of your dog’s overall diet.
Q. How should I prepare watercress for my dog?
A. Rinse watercress under cold running water to remove any residual dirt or pesticides and chop finely before feeding to your dog. Despite what you may have read elsewhere, the stalks of watercress are not a choking hazard to dogs!
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