Powdery Mildew
Introduction Powdery mildew is the name given to a group of diseases caused by several closely related fungi. Their common symptom is a grayish-white, powdery mat visible on the surface of leaves,...
Category: Shrubs
Boxwood Diseases & Insect Pests
Boxwoods (Buxus spp.) are adapted to a wide range of light conditions and prefer fertile, moist, well-drained soil, which is amended with organic matter. For information on species, varieties, and...
Azalea & Rhododendron Diseases
Rhododendrons and azaleas are some of the most popular spring-flowering shrubs in the landscape, and healthy plants can give years of pleasure. Many diseases and other problems can be prevented by...
Palm Diseases & Nutritional Problems
Palm trees grown in the landscape appear carefree, but they are susceptible to many diseases, insects, and nutritional problems. Avoid many of these problems by following the recommended cultural...
Armored Scale Insects & Control
Many armored scales are serious pests of ornamental shrubs, trees, groundcovers, and turfgrasses in South Carolina. Almost 40% of the Clemson Plant Problem Clinic sample submissions for home...
Cranberry Rootworm Beetle
The Cranberry rootworm beetle (Rhabdopterus picipes) is one of several leaf-feeding beetles and weevils that consume the foliage of woody landscape plants in South Carolina. These nocturnal-feeding...
Photinia (Red Tip)
Photinias are large shrubs that were once used for tall hedging here in the south. The most common photinia is the appropriately named “red tip”, which is easily recognized each spring...
Indian Hawthorn
Indian hawthorns (Rhaphiolepis species and hybrids) are mostly low-growing, evergreen, flowering shrubs. With a dense mounded growth habit, they are ideal low-maintenance plants for use in small...
Fothergilla
Fothergilla species are deciduous, Eastern US natives that are truly spectacular, four-season shrubs. In early April the white, 1½ to 3-inch tall, bottle-brush blooms appear with their delightful,...
Hydrangea
Hydrangea macrophylla, also called bigleaf or French hydrangea, typically has either pink or blue flowers, although a few cultivars have white flowers. Flower color is determined indirectly by the...
Crape Myrtle Diseases & Insect Pests
Manage crape myrtle diseases and pests to ensure vibrant blooms.
Ligustrum
Common or European privet (Ligustrum vulgare) and Chinese privet (L. sinense) have escaped into the wild in South Carolina to become weedy and invasive pests. Birds eat the small, black fruit and...