Disbudding is a useful technique in shaping plants or making them more compact. Following two to three years of establishment, rhododendrons require very little maintenance and are relatively pest free. When problems do arise, take care of them immediately, before they get out of hand and worsen or spread to other shrubs. Diseases might include root rot, blight and dieback. A few common insect problems are lace bug, mites and scale.
Borers are an occasional, but serious, problem.
Homeowners should be on the lookout for this pest. Azalea and Rhododendron Diseases , HGIC 2050, and Azalea and Rhododendron Insects , HGIC 2051. The crossing of two or more parents gives us a wide range of adaptability from which to choose. The hybrids listed in Table 2 are among those that do well in South Carolina. When you plan to purchase a rhododendron, go to or order from a reliable nursery and buy a named variety.