Height to about 60 cms. Pure white funnel-shaped flowers. Wetland plants, great ground cover for around ponds and streams. Rhizomatous, prolific ground cover. Broad arrow-shaped dark green leaves. Winter dormant.
To 90 cms. Loose spikes of bright-yellow starry flowers in summer. Ground cover for sun or partial shade. Attractive to butterflies and nice for cutting. Winter dormant.
To over 2 metres. Flowers are up to 10 cms across with cone-shaped, greenish-yellow centres and back-tilted, golden-yellow rays. Late summer to autumn flowering. Sun or part shade. Moist well-drained soil. Impressive for back of border. Winter dormant.