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Indoor Plant Diseases
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Indoor Plant Diseases
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Updated: February 5, 2025
Diagnose Indoor Plant Problems
Symptoms of common houseplant problems.
Updated: December 12, 2023
Winter Indoor Plant Problems
Overwatering is the most common problem leading to problems with houseplants in the winter.
Updated: March 13, 2023
Viruses of Indoor Plants
Abnormal green or yellow streaks, rings, or patches and distorted growth are symptoms of viruses of houseplants.
Updated: March 13, 2023
Stem Cankers of Indoor Plants
Cankers or lesions on stem can be caused by fungal and bacterial pathogens.
Updated: March 13, 2023
Root Rots of Indoor Plants
Yellowing, browning, and dieback of houseplant leaves may be symptoms of root rot or crown rot.
Updated: March 13, 2023
Powdery Mildew on Indoor Plants
A white powdery coating on the surfaces of houseplant leaves and stems is a symptom of powdery mildew.
Updated: March 13, 2023
Gray Mold or Botrytis Blight on Indoor Plants
Gray to tan areas on older leaves or spent flowers are symptoms of gray mold on houseplants.
Updated: March 13, 2023
Bacterial Leaf Spots on Indoor Plants
Bacterial disease symptoms on houseplants range from black to brown, often watery leaf spots or lesions to total collapse of plant tissue.
Updated: March 13, 2023
Fungal Leaf Spots on Indoor Plants
How to identify and manage symptoms of fungal leaf spot diseases on houseplants.
Updated: March 13, 2023
Algae and Fungal Growth on the Soil of Indoor Plants
What to do if you see algae or fungus growing on top of potting media in houseplants.