Plant Diseases

Aster yellows is a common disease that causes many dangerous symptoms in a wide variety of plants. We discuss control and prevention methods!

Citrus canker appears in warm and wet regions on an annual basis and is a risk to most common citrus types. Our guide shares our insight!

Clubroot strikes out against cruciferous plants, reducing their ability to absorb water from the soil. We explore preventative measures.

Verticillium wilt can impact a range of plants from tomatoes to trees. We look at the causes and management of this frustrating pathogen.

Huanglongbing, or citrus greening disease, is a bacterial disease of citrus trees. Learn more about this potential risk to your citrus fruit.

Cercospora leaf spot can damage roses, beets, chard and more. We explore the fungal causes and help you to find treatment solutions!

Various types of rust fungus cause damage to plants. We explore these irritating fungi and how to control them in your garden.

Root rot can lay waste to your plants. In this disease guide, we explain what it is, what it’s caused by, and how to prevent or treat it.

Septoria leaf spot is one of the most common garden diseases. Here’s how to identify and treat this fungal infection!

Alternaria leaf spot or other alternaria diseases don’t spell immediate doom for your plants. Find out how to treat it in our disease guide!