Allium senescens is an Ornamental Onion that forms tufts of flat, grassy-looking green leaves and produces taller stems of mauve to lilac blue flowers in summer.
Commonly referred to as Mountain Garlic, Allium senescens is a bulbous perennial that is well-adapted to sandy soils and prefers full sun to light shade. Allium senescens is attractive to a variety of pollinator species.