There are several common plants that are toxic to dogs and should be avoided in a backyard setting. Some of the most dangerous plants include azaleas, lilies, oleander, sago palm, and tulips. These plants can cause a range of symptoms in dogs, from mild gastrointestinal upset to more severe reactions like organ failure or even death. It's important to thoroughly research any plants before adding them to your backyard to ensure they are safe for your furry friends. If you suspect your dog has ingested a toxic plant, contact your veterinarian immediately.

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Topics covered in this question:

Dog Health Toxic Plants Backyard Safety Gardening Tips