How to Prune African lily 'Phantom'?
No pruning required except cutting back dead flower stems, but allow them to remain until spring, because the seedheads look attractive over winter
African lily 'Phantom' · Pruning
African lily 'Phantom' · Agapanthus 'Phantom'
Grow in containers in loam-based compost such as John Innes No. 3, water freely when in growth but sparingly in winter, and apply a balanced liquid fertilizer monthly from spring until flowering; in mild areas, grow outside in moisture-retentive but well-drained soil in full sun, and provide winter protection with a dry mulch; for more advice, see Agapanthus cultivation
Watering: Even mild soil moisture supply, reduce water after foliage dies back fullySunlight: Full sunHarmful if eaten. Wear gloves and other protective equipment when handling