Can dogs eat spinach?
Last reviewed June 2026 · Sourced from ASPCA & Merck Veterinary Manual
The short answer
Sometimes — with caution — dogs should only have small amounts of spinach. Small amounts only Leafy green vegetable, often called a 'superfood'.
Why be careful
Spinach contains oxalates, which can interfere with calcium absorption and cause kidney issues with regular consumption.
What every dog owner should know
- Tiny occasional amount only
- Avoid if dog has kidney issues
- Cooked is easier to digest
What to do if your dog ate spinach
Stay calm, note how much was eaten, and contact your vet immediately. For urgent help, the ASPCA Animal Poison Control hotline is 888-426-4435. See our full step-by-step guide: Dog ate something toxic — what to do.
Small amounts only
Puppy safety
Generally avoid feeding spinach to puppies. Their digestive systems are still developing and they're more sensitive to changes in diet, fat, sodium, and lactose than adults. If you've already given some, watch for vomiting, diarrhea, or lethargy and contact your vet if any appear.
What to do if your dog ate spinach
- Note how much was eaten and when. A small amount is rarely an emergency, but a large quantity may need vet attention.
- Watch for symptoms over the next 12–24 hours: vomiting, diarrhea, lethargy, loss of appetite, or changes in drinking/urination.
- Provide fresh water and skip the next meal if your pet seems unsettled — let their stomach calm down.
- Call your vet if symptoms appear or persist beyond 24 hours, or if the amount eaten was significant.
Better alternatives
If your dog likes spinach, they may also enjoy these safe options: