Colour-wise, there's often not a lot going on in winter, but the Winter-flowering Iris, or Algerian Iris, is something to lift the spirits in areas of the…
Grow in full sun.
By division of rhizomes or offsets in late summer or by seed in autumn. Certain cultivars should be propagated by division only.
Pests, diseases or disorders
Slugs, snails, thrips, aphid borne viruses, bacterial soft rot and Botrytis.