Albizia julibrissin NORTHERN COLD HARDY 1 Dormant Plant! Albizia julibrissin Northern Hardy Mimosa Tree Up for bid is one small dormant bare root plant of the Hardy Mimosa Tree. This is a beautiful small tree that covers itself in pink powderpuff flowers in summer. It is an upright vase shaped grower, and its fern like foliage is deciduous. They are hardy to at least USDA zone 5b or colder. These plants would make excellent additions to your rare plant collection, or just make a unique statement in your yard. You are bidding on 1 dormant bare root plant of Albizia julibrissin Northern that is about 8 to 12 inches tall. As always you can save on shipping by buying more than one of my items, so please view my other auctions.