Knowledge
Educate yourself about various plant diseases and general care techniques.
Powdery Mildew
A fungal disease that affects a wide variety of plants. It is easily recognizable by its white, powdery spots on leaves and stems.
Black Spot
A common fungal disease affecting roses. It weakens the plant and makes it unsightly, but is rarely fatal.
Rust
A group of fungal diseases that affect many types of plants. Rusts are named for the reddish-orange, powdery pustules that appear on infected plants.
Downy Mildew
A disease of plants caused by oomycetes, or water molds. It appears as fuzzy or downy patches, typically on the undersides of leaves.
Early Blight
A common fungal disease that primarily affects tomatoes and potatoes. It causes characteristic "bullseye" lesions on leaves, stems, and fruit.
Septoria Leaf Spot
A widespread fungal disease of tomatoes and other members of the nightshade family, causing numerous small spots on the leaves.
Botrytis Blight (Gray Mold)
A very common fungal disease affecting a wide range of plants, particularly in cool, humid conditions. It causes a characteristic fuzzy gray mold.