http://durgan.org/2017/May%202017/16%20May%202017%20Fern-Leaf%20Peony/HTML/ 16 May 2017 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.