Dandelions are perennial, herbaceous and tap-rooted plants present in the temperate regions of the Northern Hemisphere, including the United States. It is one of the most common herbs that grows wild in moderate climates all over the world. The leaves and roots of dandelions have been used in herbal medicine for centuries to treat anemia, skin problems, blood disorders, and depression. The entire dandelion is considered to be edible, from the flowers to the roots. Dandelion tea can be prepared from the roots or the yellow flowers of the dandelion weed.