perennial
Allium macrum S. Watson
Allium macrum S. Watson
Allium macrum S. Watson. Allium macrum, the rock onion, is an American species of wild onion native to the eastern and central parts of the US States of Oregon and Washington. It grows on gravelly soils at elevations up to 1400 m. It is a perennial herb.
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Allium macrum S. Watson — seeds, tools & books
Native range
Native range not recorded for this plant. Often a non-native cultivar or naturalized garden plant.
