How to Fertilize allium 'Gladiator'?
Light bulb fertilizer at emergence and again after flowering

allium 'Gladiator' · Allium 'Gladiator'
Grow in full sun and fertile well-drained soil. It is best to grow in containers where garden soil is heavy clay and prone to saturation over winter. See allium cultivation
Light bulb fertilizer at emergence and again after flowering