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Visual diagnosis

Leaf Curl visual guide

Look for upward or downward curling, pest marks, heat stress, or distorted new growth.

Leaf Curl symptom diagramLeaf CurlLook for upward or downward curling, pest marks, heat stress, or distorted new growth.

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. Check undersides for insects
  3. Remove badly affected leaves or pests where needed.
  4. Improve light, airflow, soil moisture, or spacing.

Continue diagnosis

Problem Why Plant Leaves Curl Identify curled leaves caused by heat, pests, herbicide drift, underwatering, or nutrient imbalance. Tool Plant diagnosis tool Answer symptom questions and get likely causes.