Plants are grouped by the RHS into 13
divisions, each describing a particular growth habit and flower shape. All are of garden origin except group 13. • Trumpet Daffodil cultivars: solitary flower with corona (trumpet) longer than perianth (outer petals) • Large-cupped Daffodil cultivars: corona shorter than perianth • Small-cupped Daffodil cultivars: corona less than ⅓ of the length of the perianth • Double flowered Daffodil cultivars • Triandrus Daffodil cultivars: reflexed perianth, short corona • Cyclamineus Daffodil cultivars: angled flowers, reflexed perianth, long corona • Jonquilla and Apodanthus Daffodil cultivars: scented, late-flowering, shallow cupped • Tazetta Daffodil cultivars: multiple flowers, scented, autumn-spring flowering • Poeticus Daffodil cultivars: scented, white perianth, small corona • Bulbocodium Daffodil cultivars: large corona, small perianth • (a) Split-corona Daffodil cultivars: Collar (b) Split-corona: Papillon • Other Daffodil cultivars • Daffodils distinguished solely by botanical name: all wild
Narcissus species (including hybrids distinguished solely by botanical name) The main flowering season is late February and March in the Northern Hemisphere. Early daffodils appear from November through early February, while late varieties may appear in April, depending on the weather. ==Narcissus species & cultivars==