Hydrangea
Hydrangea macrophylla, also called bigleaf or French hydrangea, has either pink or blue flowers. Flower color is determined indirectly by the soil pH, which affects the availability of aluminum in...
Category: Shrubs
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...
Rose Insects & Related Pests
With their showy and often fragrant blooms, roses are easily one of the most popular flowering plants grown in South Carolina. Unfortunately, the numerous insects and related pests that attack them...
Gardenia Insects & Related Pests
With their wonderfully fragrant blossoms and lustrous, dark green leaves, gardenias (Gardenia angusta, previously known as G. jasminoides) are popular shrubs with many southern gardeners. Their...
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...
Gardenia Diseases & Other Problems
With their wonderfully fragrant blossoms and lustrous, dark green leaves, gardenias (Gardenia angusta, previously known as G. jasminoides) are popular shrubs with many southern gardeners. Their...
Azalea & Rhododendron Insect Pests
While many people think of azaleas and rhododendrons as being completely different kinds of plants, they actually belong to the same genus, Rhododendron. In terms of the pests that attack these...
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...
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...
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,...
Viburnum Diseases & Insect Pests
In general, most viburnums are relatively pest-free. Occasionally disease or insect pest problems do occur, and usually it is during those times that the plants are under stress or growing in less...