The toxicity of maple seeds has not been studied at length, but the leaves of red maples (Acer rubrum) are known to be toxic to dogs. Since the leaves are poisonous, it would be advisable to keep pets away from red maple trees.
About this Author
Melody Lee worked as a newspaper reporter, copywriter and editor for 5 years. In addition, she has edited magazine articles and books. Lee holds a degree in landscape design and is a Florida master gardener. She has more than 25 years of gardening experience, which includes working at nurseries and greenhouses.