How to Fertilize Allium hyalinum?
Weak allium bulb feed monthly before flower bud formation stage

Allium hyalinum · Allium hyalinum
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 very cold temperatures and saturation over winter. See allium cultivation
Weak allium bulb feed monthly before flower bud formation stage