How to Fertilize Schubert's allium?
Weak bulb fertilizer once pre-sprout in early spring yearly

Schubert's allium · Allium schubertii
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
Weak bulb fertilizer once pre-sprout in early spring yearly