|Allium rosenbachianum is a native of central Asia. It has orange bulbs from which large ball shaped deep purple flowers bloom at the end of a 3 foot stem in May and June.
Allium is a bulbous plant with linear leaves and blooms in flowers with umbels on the top of a sturdy stem.
Several of the species have foliage which is unpleasant smelling. They will not release their small unless they are walked on.