Iris was the messenger between earth and sky; a Greek goddess who took the form of a rainbow and who was 'swift-footed like a storm wind'. (Homer,Iliadviii.…
They need a well-drained soil with a sunny position.
You can propagate by division or from cuttings taken during the late spring summer months or from seed.
Pests, diseases or disorders
Slugs may damage growth. In dry summers powdery mildew may cause problems.