Allium stellatum, commonly known as the autumn onion, prairie onion, cliff onion, or glade onion, is a North American species of wild onion that is native to central Canada and the central United States.

Allium stellatum is a perennial forming a bulb underground. An erect, leafless scape up to 30-60 centimetres (1-2 ft) tall arises from grass-like basal. Pink to purple flowers form at the end of the scape in the summer, approximately 5-8 centimetres (2-3 in) across.

Type: Hardy perennial

Hardiness zones: 3-8

Seeds per packet: 20