Demeter Hyacinth Perfume by Demeter, Demeter hyacinth is a 2018 unisex floral fragrance produced by the demeter fragrance library. This fragrance note comes from the well-known spring perennial that blooms clusters of tiny pink, white, violet and blue flowers. Hyacinth takes its name from greek mythology âÇ" a spartan hero whom the olympian god apollo loved dearly.