There are two species of peony
which are commonly found in home landscapes. The most common is
Paeonia lactiflora which an herbaceous perennial that
dies back to the ground each fall. The other is P.
suffruticosa which forms a woody stem that survives from
year to year and is called the tree peony.
Listed below in the A to Z pages are images of the
hybrid cultivars from P. lactiflora.