Plant Pests & Diseases.
Something unusual on your plant? Learn how to recognize common pests and diseases, understand the symptoms, and find practical guides for managing plant health problems.
Explore Pests & Diseases
Identify the problem you’re seeing and explore a guide dedicated to that pest or disease.
Spider Mites
Learn the common signs of spider mite activity, including leaf damage and fine webbing.
Explore guide → PestMealybugs
Find out what mealybugs look like and where they commonly appear on plants.
Explore guide → PestAphids
Explore signs of aphids and the areas of a plant where they may gather.
Explore guide → PestFungus Gnats
Learn why small flying insects may appear around indoor plant soil.
Explore guide → PestThrips
Learn what thrips damage can look like and where to inspect your plant.
Explore guide → PestScale
Understand what scale insects look like and where they may attach to plants.
Explore guide → PestWhiteflies
Learn how to recognize small white flying insects around affected plants.
Explore guide → PestLeaf Miners
Explore winding trails and tunnels that may appear inside affected leaves.
Explore guide → DiseaseRoot Rot
Learn about signs associated with unhealthy roots and root-related plant problems.
Explore guide → DiseasePowdery Mildew
Explore the characteristic powder-like appearance associated with this disease.
Explore guide → DiseaseLeaf Spot
Learn how to investigate spots and discoloration appearing across plant leaves.
Explore guide → DiseasePlant Rust
Explore orange, brown, or rust-colored signs that may appear on affected foliage.
Explore guide → DiseaseBacterial Leaf Spot
Learn how to investigate leaf spots and other symptoms that may indicate bacterial problems.
Explore guide → DiseaseAnthracnose
Explore common signs and plant conditions associated with anthracnose problems.
Explore guide → DiseaseDowny Mildew
Learn about leaf changes that can occur with downy mildew and how to investigate them.
Explore guide → DiseaseGray Mold
Explore fuzzy gray growth and other signs associated with gray mold problems.
Explore guide →Start With the Symptoms
If you don’t know the exact problem, start with what you can see on your plant.
Yellow Leaves
Explore possible causes including pests, diseases, watering, and environmental stress.
Brown Leaves
Investigate brown foliage and the different problems that can produce it.
Leaf Spots
Look at spot patterns and explore possible pest, disease, and care-related causes.
Curling Leaves
Check for pests and environmental causes when leaves begin to curl or distort.
Wilting
Explore watering, root, pest, and disease-related possibilities.
Sticky Leaves
Learn why some pest infestations can leave a sticky residue on plant surfaces.
Webbing
Fine webbing can be an important clue when inspecting a plant for pests.
White Spots
Explore white marks, residue, and discoloration appearing on plant leaves.
Drooping Leaves
Investigate why your plant may be losing its upright appearance.
Falling Leaves
Explore possible causes of unusual leaf drop.
Holes in Leaves
Check possible pest damage and other reasons holes appear in foliage.
More Plant Problems
Explore the complete PlantySolve plant problems hub.
Spider Mites: Signs, Damage & Solutions
Learn how to identify spider mites, recognize fine webbing and leaf damage, and explore practical management steps.
Read the Guide →Featured Pest & Disease Guides
Explore more guides to help you identify and understand common plant health problems.
Spider Mites: How to Identify Them
Learn the common visual clues to look for when inspecting a plant.
Read Article →Mealybugs on Houseplants
Explore what mealybugs look like and where to inspect your plant.
Read Article →Root Rot: Signs to Look For
Learn which plant changes may lead you to investigate roots and growing conditions.
Read Article →What Does Powdery Mildew Look Like?
Understand visible signs that can help you investigate powdery mildew.
Read Article →Brown Spots on Plant Leaves: What to Check
Explore possible pest, disease, and care-related reasons for leaf spots.
Read Article →Why Are Small Flies Around My Plant?
Learn why small flying insects may appear around indoor plant soil.
Read Article →Prevent & Manage Plant Problems
Good observation and consistent plant care can help you notice problems before they become harder to manage.
Inspect Regularly
Check leaves, stems, new growth, and the surrounding growing area for unusual changes.
Keep Conditions Balanced
Pay attention to watering, light, airflow, soil, humidity, and the plant’s growing environment.
Act on Early Signs
When you notice unusual symptoms, investigate the cause early instead of treating the symptom blindly.
Not Sure What’s Affecting Your Plant?
Start with the symptoms you’re seeing and explore possible causes, pests, diseases, and solutions with PlantySolve.
Explore Plant Problems →