Daffodil Congress The large flowers of Narcissus Congress have a lemon-yellow outer disc of petals which contrast beautifully with a divided and fluted trumpet of deep yellow, shading out to orange. An excellent cut flower. The bulbs will naturalise well in sun or partial shade and will flower throughout the month of March. Site: Tolerates exposurePosition: Sun, part shade Soils: Well drained, light to fertile soilPlanting Period: Autumn, early WinterFlowering Period: MarchPlanting: Depth 6” (15 cm), Spacing 3 - 6” (10 - 15 cm)Height: 16" (40 cm)