daylily 'Helle Berlinerin'

Grow in fertile, moist but well-drained soil preferably in full sun. Flowering is likely to be poor in shadier situations. Tolerant of heavy clay and poorer soils. May need watering in spring to early summer in dry conditions to ensure flowering. See Hemerocallis cultivation for details

Cut back flower stems after flowering has finished. Remove dead foliage as required

Propagate by division in early spring or early autumn. Propagate from seed (indoors or outdoors) in autumn or spring; cultivars will not come true from seed

May be attacked by aphids, slugs, snails, Hemerocallis gall midge, glasshouse red spider mite and thrips

Usually tough and reliable but may be affected by fungal leaf spot and rust diseases or bacterial leaf and stem rot