This rare cottage garden flower has bright green fine foliage topped with a bevy of cup-shaped blue stars, each pointing upwards. Its delicate foliage and compact growth make this a neat go-to edger, irresistible with China pinks, sweet alyssum, and California poppies. An excellent choice for edging and pots, where deadheading promotes an extended bloom. Nigella tolerates some drought once well-established and often self-sows for a yearly carefree show.