African lily 'White Ice'

In mild areas, grow in well-drained soil in a sunny, sheltered position; otherwise, grow in a container positioned in full sun and overwinter in a cold greenhouse. See agapanthus cultivation

None needed- seedheads can be left over winter

Propagate by division every three to four years in spring

Generally pest-free but watch out for agapanthus gall midge

A virus disease may be a problem