Cannabis Plant Doctor

Diagnose & treat 38 cannabis plant problems by symptom

Symptoms

check all that apply

  • Free Cannabis Symptom Checker & Diagnosis Tool

    The Plant Doctor identifies 38 cannabis plant problems by cross-referencing 20 visible symptoms. Select what you see — yellow leaves, brown spots, drooping, bugs, webbing, curling — and instantly narrow down the diagnosis with a treatment plan.

    Nutrient Deficiencies

    Nitrogen, phosphorus, potassium, calcium, magnesium, iron, manganese, boron, copper, molybdenum, sulfur, and zinc deficiencies — each with unique symptom patterns and targeted treatment guides.

    Pests & Bugs

    Spider mites, fungus gnats, aphids, thrips, whiteflies, broad mites, hemp russet mites, caterpillars, crickets, grasshoppers, leafhoppers, leaf miners, mealybugs, planthoppers, barnacle scales, slugs, snails, and stink bugs — identified by visible symptoms and treated with specific solutions.

    Diseases & Environmental Stress

    Bud rot, white powdery mildew, root rot, tobacco mosaic virus, heat stress, light burn, wind burn, overwatering, underwatering, pH fluctuations, nutrient burn, nitrogen toxicity, and accidental re-vegging — all diagnosable through the symptom matrix.

    Age Verification Required

    Cannabis cultivation laws vary by location. You must be 21+ to access this site.

    By entering, you confirm you are of legal age in your jurisdiction.