Pot size 4 to 6 inches as per size of plants. Set of three potted chrysanthemum live Plants. Chrysanthemums, sometimes called mums or chrysanths, are flowering plants. Chrysanthemum tea is known to be rich in potassium, which helps reduce the risk of serious health conditions like cancer, diabetes, stroke, and heart disease. It's also known to be an excellent source of Magnesium.