6 Common Vegetables That Are Dangerous — Even Fatal — for Dogs

Dogs are omnivores that can safely eat most common vegetables in moderation (keeping them under 25% of the diet), but several everyday ones are off-limits. Beyond the well-known onion, celery, bean sprouts, tomatoes, mushrooms, peas, and especially chives can cause anything from digestive upset to life-threatening poisoning. When in doubt, leave the vegetable out of the bowl.