African lily [Blue Storm]

In mild areas, grow in well-drained soil in a sunny, sheltered position. Otherwise grow in a container and position in full sun. Water during the growing season and liquid feed monthly from spring to flowering. Overwinter the whole container in a cold greenhouse. See agapanthus cultivation

No need to cut down in the autumn, as the seedheads look attractive over winter

Propagate by division every three to four years in spring

Generally pest free; keep a look out for agapanthus gall midge

A virus disease may be a problem