http://durgan.org/2016/May%202016/12%20May%202016%20Fern-leaf%20Peony%20(Paeonia%20tenuifolia)/HTML/ 12 May 2016 Fern-Leaf Peony (Paeonia tenuifolia) This beautiful perennial grows a bit larger every year.The flowers last a few days and are a beautiful deep red. It is expensive to purchase. Best propagated from a root. They are very slow growing in my area. The vegetation disappears completely during the Summer.