All That Jazz Itoh Hybrid peony has some of the most unique peony blooms we have seen! Itoh hybrid peonies have the best of both herbaceous peonies and tree peonies! They have strong sturdy stems from the tree peonies, but goes dormant in summer like herbaceous peonies. Not only are the blooms large, up to 6" across, they are vigorous bloomers, with up to 50 blooms per plant. Itoh hybrid peonies bloom for longer, with more blooms and stronger stems than traditional peonies. Plant All That Jazz Peony and reap the rewards for an endless amount of years!