How to Fertilize blue-flowered garlic?
Light bulb fertilizer at emergence and again after flowering

blue-flowered garlic · Allium caeruleum
Also known as: azure-flowered garlic
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