What is an Inkarho Rhododendron? An inkarho Rhododendron is a new lime-tolerant rhododendron rootstock which has taken over 20 years to develop and on to which many different and popular rhododendrons are being grafted. Where is the best place to plant a Inkarho Rhododendron? Although they appear rugged in the landscape, rhododendrons have a delicate root […]