This means you should be watching your peonies from the moment they start to bloom and deadhead them when required until the end of the season. If the peonies experienced foliar disease problems remove the plant debris from the area and destroy it. Tools needed to prune a trees peonies. 1746 July 2012 The trouble with peonies is that they take up a lot of room and dont flower for long. Peonies should be cut back or deadheaded when the flowers start to fade.
Cut off that foliage beforehand and a bodacious bloomer becomes a flowerless flop. So if you remove the faded flowers you will get a lush bloom next year. Cutting peonies in autumn removes any lingering foliar diseases and reduces the risk of infection the following year. When should you cut back peonies. Peonies should be cut back or deadheaded when the flowers start to fade.
