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Visual diagnosis

Powdery Mildew visual guide

Look for white powdery patches that spread across leaves, especially in crowded humid conditions.

Powdery Mildew symptom diagramPowdery MildewLook for white powdery patches that spread across leaves, especially in crowded humid conditions.

Pattern to check

  • Symptoms appear on leaves, stems, soil, or new growth.
  • The problem often starts in one section before spreading.
  • Recent watering, weather, fertilizer, or transplant changes usually provide clues.

First actions

  1. Confirm the likely cause before treating.
  2. Remove infected leaves
  3. Remove badly affected leaves or pests where needed.
  4. Improve light, airflow, soil moisture, or spacing.

Continue diagnosis

Problem Powdery Mildew on Plants Reduce powdery mildew using airflow, spacing, pruning, and early treatment. Tool Plant diagnosis tool Answer symptom questions and get likely causes.