Paeonia Intersectional 'Bartzella'  BARTZELLA INTERSECTIONAL PEONY

Zone: 4-9  Height: 36 in. 
Intersectional peonies are crossed herbaceous and woody tree peonies. Bartzella has 6-8", semi-double to double, pastel yellow flowers with small rose-purple flare centers, sweetly scented, green, tree peony-like foliage.
 
Photo Credit: www.waltersgardens.com