Rhododendrons can handle very aggressive cut backs and will usually recover in about a year. Don't do this in late Summer or Fall though. Early Spring or just after it blooms is Variegated Monstera Adansonii greengrow Rhododendron Hybr.'Brigitte' Blaukorn: Anwendung, Wirkweise & Giftigkeit Plantura Swift Garden Growth: 8 Fast Growing Seeds to Plant Now How to Use Rhododendron to Create a Beautiful Landscape