Is Broccoli Poisonous to Dogs?

Broccoli is non-toxic to dogs and is explicitly listed by the ASPCA among vegetables (carrots, celery, broccoli, green beans, cauliflower) that are safe to share as occasional snacks. It is not poisonous, but it is not risk-free. Key caveats: (1) The florets contain naturally occurring isothiocyanates, which can cause mild-to-potentially-severe gastric irritation. Per AKC Chief Veterinarian Dr. Jerry Klein, broccoli is considered safe when it makes up less than 10% of the dog's daily food intake; more than 25% is considered toxic (i.e., dose-dependent GI harm, not systemic poisoning). (2) Treats overall should be no more than ~5% of daily calories. (3) Broccoli stalks pose a mechanical choking / esophageal-obstruction hazard, particularly for small dogs; always cut into small bite-sized pieces. (4) Serve plain. Both raw and cooked are acceptable (cooked/steamed is easier to digest), but add NO butter, oil, salt, or seasonings. Avoid any preparation containing onion or garlic, which ARE toxic to dogs. (5) Introduce in small amounts and monitor for GI upset. Frozen broccoli can be a hard choking risk for small dogs; thaw or chop. No xylitol or pit/seed concerns apply to broccoli.

Can dogs safely eat broccoli?

Yes. The ASPCA lists broccoli among vegetables safe to share with pets. It is non-toxic, but should be fed plain, in small bite-sized pieces, and kept to less than 10% of your dog's daily food intake to avoid stomach upset.

How much broccoli is too much for a dog?

According to AKC veterinary guidance, broccoli is safe under about 10% of daily intake; more than 25% is considered toxic because the isothiocyanates in the florets can cause mild-to-severe gastric (stomach and intestinal) irritation in larger amounts. Keep it to a small occasional snack.

Should broccoli be raw or cooked, and any preparation risks for dogs?

Both raw and cooked broccoli are fine; steamed/cooked is easier to digest. Always serve it plain with no oil, butter, salt, or seasonings, and never with onion or garlic (which are toxic to dogs). Cut it into small pieces, since broccoli stalks can choke a dog or block the esophagus, especially in small breeds.

• ASPCA - Sharing is Caring: Foods You Can Safely Share with Your Pet
• ASPCA - People Foods to Avoid Feeding Your Pets
• American Kennel Club (AKC) - Can Dogs Eat Broccoli? (Dr. Jerry Klein, AKC Chief Veterinary Officer)

Last updated 2026-06-25