On a hot summer day, nothing sounds more refreshing than watermelon—and your horse might be eyeing your slice. But can horses eat watermelon safely?
Quick Answer: Yes, Horses Can Eat Watermelon!

Watermelon is one of the safest and most refreshing treats you can give your horse. Most horses absolutely love it!
What About the Rind?
Yes, horses can eat the rind too! In fact, the rind is nutritious:
- High in fiber
- Contains amino acids
- Lower in sugar than the flesh
- Most horses enjoy the texture
Preparation Tips
- Wash the outside thoroughly (remove pesticide residue)
- Cut into manageable pieces to prevent choking
- Remove any stickers or labels
What About Seeds?
Seeds are safe!
- Horses can eat watermelon seeds without issue
- Seeds pass through digestive system
- No need to remove them
- Seedless watermelon is fine too
Nutritional Benefits
| Nutrient | Benefit |
|---|---|
| Water (92%) | Excellent hydration, especially in summer |
| Vitamin A | Eye health, immune function |
| Vitamin C | Antioxidant support |
| Potassium | Electrolyte balance |
How Much Watermelon Is Safe?
Recommended Amounts
- Occasional treat: A few slices (1-2 cups of flesh)
- Maximum: No more than 2-3 lbs at once
- Frequency: A few times per week maximum
Special Considerations
Horses That Should Avoid Watermelon
- Insulin-resistant horses: Sugar content may be problematic
- Horses with HYPP: High potassium content is dangerous
- Horses prone to laminitis: Limit all sugary treats
The Bottom Line
Watermelon is a safe, refreshing, and nutritious treat for most horses. The flesh, rind, and seeds are all safe to eat. Just keep portions reasonable, wash the outside, and cut into appropriate pieces. On a hot summer day, your horse will thank you!
Sources: American Association of Equine Practitioners, University of Kentucky Extension
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