Chowing down on any plant material may cause gastrointestinal upset and vomiting for your dog. But some plants, when ingested, can be life-threatening. Certain herbs, vegetables and edible plants that are perfectly fine for human consumption could cause everything from excessive drooling to anorexia for your canine pal. Don’t assume that dogs instinctively avoid dangerous plants. That may be true of some animals in the wild, but dogs have no way of distinguishing between safe and unsafe plants. The following is a list of common plants that could be dangerous for your dog. So, don’t ever plant these if you share your yard with a canine friend.