This rhizomatous perennial genus has swordlike foliage, bright flowers, and notable seed clusters. It works well at the front of the border or in a rock garden. It is somewhat short-lived, but it is easily grown from seed, and does self-sow.
Noteworthy CharacteristicsSuccession of rich yellow or orange-red flowers with distinct, maroon spots are followed by shiny, black seeds.
CareGrow in consistently moist, but well-drained soil, in full sun to partial shade. Water during dry periods.
PropagationSow seed in a cold frame in spring; divide in spring.
ProblemsBacterial crown rot, rust, Cladosporium leaf spot, anthracnose.