Double Narcissus have cups which are not as distinctive as more traditional daffodils. The cups appear frilled and ruffled. These grow to approximately 30-40 cm. Double Narcissus flowers are impressive and large. These can be grown in big tubs or in the garden.
Butterfly or Split Corona Daffodils are known for their unusual cup. The cup is spread out flat and resembles a butterfly. This type of daffodil grows to about 40-50 cm. These are suitable for large tubs and gardens.