You can feed your dog dandelions in leaf, flower, or root form. Since excessive consumption causes diarrhea, it's necessary to feed your dog the required amount based on its weight and size as follows: For fresh leaves, add them to your dog's food. While smaller dogs can handle a few leaves, bigger ones require more. Alternatively, you can blend the leaves with water, then add them to your dog's food. Dry the leaves, flowers, and roots, crash and mix them to form a powder. Sprinkle the herb over a dog's food and mix. The recommended amount for this herb is one tablespoon for every 20 pounds of a dog's weight. Consider picking the flowers during early Spring because they tend to turn bitter after the season. Make tea using the dandelion's dry leaves, flowers, or roots. To prepare this tea, infuse 5g-30g of the herb in 8 ounces of water for about 10-15 minutes. Give 3 cups to every 20-pounds of a dog's weight three times every day. Since dandelion is a diuretic, give your dog plenty of opportunities to pee.