How to Grow Alliums (Ornamental Onions), a Cottage Garden Favorite - Dengarden
How to Make Giant Garden Art Alliums | Empress of Dirt
Allium atropurpureum (Ornamental Onion)
Allium canadense var. canadense (Meadow garlic) | Native Plants of North America
Purple Allium flowers. English Gardens, Assiniboine Park, Winnipeg, Manitoba, Canada. - SuperStock
Purple allium flowers (Allium hollandicum) growing in a small garden in Ontario, Canada. (Photo by Creative Touch Imaging Ltd./NurPhoto Stock Photo - Alamy
Allium karataviense
Learn about Allium canadense 'White Flag' | White Flag Meadow Garlic | Perennial Encyclopedia