Are There Any Safe Cherries for Dogs? There are many different types of cherries out there, including bing, rainier, black and maraschino. Although maraschino cherries dont have a pit, they contain a lot of sugar, which isnt good for dogs. Generally, it isnt a good idea to offer your dog any canned fruits, as they often have added sugars or preservatives, says Purina Senior Nutritionist Jan Dempsey.