Read an article on the toxic nature of the Rhododendron family.
Toxin
Note: All azaleas are rhododendrons. An image of a rhododendron and not an azalea is featured on the site referenced above. In general dogs and cats show little interest in eating rhododendrons. Rabbits do seem to enjoy azaleas in the winter months. Deer do eat rhododendrons when they are low on food.
