Caption: "Allium 'Millenium', 2018 photo, Common Name: ornamental onion, Size: 20in., Purple, USDA Hardiness Zone 5-7, Michigan Bloom Month 5, In Garden Bed c3 G4 S4 for 2.3 YEARS (MBul). Planted in 2016.Developed by Mark McDonough. Probably includes some A. nuten