Tree Peony Purple 2YRTree Peony Purple 2YR is a tree peony grown for oversized spring flowers and a shrubby, woody framework that returns year after year. Unlike herbaceous peonies, tree peonies keep their woody stems through winter and need only light pruning. Bloom time: Mid to late spring Height x width: 48 72 in. x 48 60 in. Light: Full sun to part shade USDA zones: 4 9 Best in fertile, well drained soil with protection from harsh afternoon heat and wind. Remove dead