How to Prune field garlic?
No pruning required, other than to remove old flowered stems and foliage

field garlic · Allium oleraceum
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. May become a nuisance where conditions are favourable. See allium cultivation
No pruning required, other than to remove old flowered stems and foliage