Hydrangea plants are toxic to horses, dogs and cats. The principle toxin is cyanogenic glycoside. The pet can experience gastrointestinal upset as well as diarrhea, depression and vomiting. In rare cases, pets can experience cyanide intoxication.
- Plant & Care for Hydrangea Macrophylla
- Care for Hydrangeas in Pots
- Repel Chickens
- Care for Hydrangeas Macrophylla
- Move Hydrangea Plants
- Plant a Hydrangea Plant Outdoors
- Keep a White Hydrangea White
- When to Plant Azalea Bushes
- Grow Cotton
- Care for an Oak Leaf Hydrangea
- Take Care of Roses
- How Much Sun Do Knockout Roses Need?