Gray Mold (Botrytis Blight)
Botrytis blight or “gray mold” is a widely distributed disease caused by the fungus Botrytis cinerea. It can infect some vegetables, soft fruits, flowers, trees, and shrubs, especially...
Category: Shrubs
What Is It Wednesday?
Fishtail Camellia, Camellia japonica ‘White Mermaid’ Camellia japonica ‘White Mermaid,’ commonly referred to as fishtail camellia, matures to an approximately 10-foot by 10-foot shrub. The blooms...
Gardenia Insects & Related Pests
With their wonderfully fragrant blossoms and lustrous, dark green leaves, gardenias (Gardenia jasminoides) are popular shrubs with many southern gardeners. Their positive qualities compensate to a...
Algal Leaf Spot
Of the various kinds of organisms that cause plant disease, plant parasitic algae are not the norm. The only species that is common in the United States is Cephaleuros virescens. It causes a disease...
Gardenia Diseases & Other Problems
With their wonderfully fragrant blossoms and lustrous, dark green leaves, gardenias (Gardenia jasminoides) are popular shrubs with many southern gardeners. Their positive qualities compensate to a...
Viburnum Diseases & Insect Pests
In general, most viburnums are relatively pest-free. Occasionally, disease or insect pest problems do occur, and usually, during those times, the plants are under stress or growing in less than...
Juniper Diseases & Insect Pests
Junipers grown in South Carolina are relatively low-maintenance plants if planted in the correct location and given proper cultural care. There are several common problems that can cause browning of...
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...
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...
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...
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...
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,...