daylily 'Cosmic Blast'

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

Deadheading will improve appearance, and can help reduce hemerocallis gall midge. Cut back flower stems after flowering has finished. Remove dead foliage as required

Propagate by division in spring or autumn

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

May be affected by fungal leaf spot, rust diseases and bacterial leaf and stem rot