Allium mannii - this is a Mexican species rare in cultivation. Surprisingly, many of the southwestern, Texan, and even Mexican onions are proving to be hardy in northern New England. This species is quite different than most other American onions, perhaps closed allied to A. plummerae from Arizona and New Mexico. Allium mannii has spread slowly via short rhizomes, and reliably puts forth upfacing "rounded star-cup" flowers in open clusters for several weeks in July. As the fresh white flowers mature, the central ovaries age from pink to orangish-brown. Photo by Mark McDonough.
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