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...
Author: James H. Blake
Brown Patch & Large Patch Diseases of Lawns
Introduction The beauty of a lawn can be quickly destroyed by brown patch or large patch, which are serious fungal diseases (each caused by different strains of Rhizoctonia solani) that can affect...
Leaf Diseases of Lawns
Home lawns in South Carolina are commonly infected by leaf diseases including dollar spot, rust, gray leaf spot, powdery mildew, anthracnose and Helminthosporium leaf spot. Most of the time, these...
Root-Knot Nematodes in the Vegetable Garden
Root-knot nematodes attack a wide variety of plants and can become serious pests in the home garden. They are microscopic roundworms that live in the soil and on plant roots. They injure plants by...
Rose Diseases
Roses are one of the most popular and versatile flowering shrubs grown throughout South Carolina. Most roses require a lot of care to grow and bloom properly. One of the most common causes of...
Euonymus Diseases & Insect Pests
There are 60 different forms of euonymus available from American sources. They range from evergreen shrubs, such as Japanese euonymus (Euonymus japonicus), to evergreen vines, such as wintercreeper...
Holly Diseases & Insect Pests
Diseases Black Root Rot: Black root rot is caused by the fungus Thielaviopsis basicola. This fungus primarily affects the root system and reduces plant vigor. Aboveground symptoms may include...
Camellia Diseases & Insect Pests
Camellias are one of the most desirable and well-adapted plants for Southern gardens. Many of the common problems of sasanqua camellia (Camellia sasanqua, C. hiemalis, and C. vernalis) and the...
Maple Diseases & Insect Pests
Diseases Leaf Scorch: On maple (Acer species) trees a number of problems cause symptoms that are generally classified as leaf scorch. Scorch symptoms are light brown or tan dead areas between leaf...
Dogwood Diseases & Insect Pests
The flowering dogwood (Cornus florida) is a small, deciduous ornamental tree that is native throughout the eastern United States. Although dogwoods are well adapted to South Carolina, they can be...
Crape Myrtle Diseases & Insect Pests
Crape myrtles (Lagerstroemia indica) are essentially trouble-free small trees. The most common problems include powdery mildew, Cercospora leaf spot, aphids, Japanese beetles and sooty mold. More...
Daylily Diseases & Insect Pests
Diseases and insects generally are not a serious problem on daylilies (Hemerocallis species) in the home garden, especially when good cultural practices are followed. Daylilies prefer a well-drained...