
How to Prune Three-cornered leek?
(Allium triquetrum)
Three-cornered leek, also known as Three-cornered garlic
A perennial bulb with white, bell-shaped flowers and distinctive triangular stalks, three-cornered leek benefits from pruning to manage spread and encourage healthy growth. Trim back foliage after flowering and seed set, typically early spring to late summer. Deadheading prevents self-sowing and invasiveness. Dispose of cuttings to avoid unwanted propagation. Pruning during dormancy isn't necessary unless for removal of damaged or diseased parts.