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Prairie Onion (Allium cernuum)

Prairie Onion (Allium cernuum)

Image: Blazing Star Gardens



Allium cernuum or Prairie Onion is a herbaceous perennial growing from an unsheathed elongated conical bulb which gradually tapers directly into several keeled (thin and flat) grass-like leaves. Each mature bulb bears a single flowering stem, which terminates in a downward nodding umbel of white or rose, campanulate (bell-shaped) flowers that bloom in July and August. Allium cernuum is edible and has a strong onion flavor, and has often been used in cooking.


Care: Early growing leaves provide a splash of green when most plants are still dormant and brown. Nodding Onion is an excellent plant for boulevards and sidewalk plantings because it stays short and doesn’t flop over, it’s very hardy, and it fills in areas by seeding itself.


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