Pests & Diseases
Common Tomato Leaf Problems
Compare yellowing, spots, curling, wilting, and pest signs before deciding what to do.
Do this first
Start with these checks
Action Steps
Do it in order
Note whether symptoms are yellowing, spots, curling, wilting, or holes
Check if the problem starts from bottom leaves or new growth
What you need or check
- Check lower leaves, upper leaves, underside of leaves, soil moisture, recent rain, and nearby plants
How to do it
- Note whether symptoms are yellowing, spots, curling, wilting, or holes.
- Check if the problem starts from bottom leaves or new growth.
Common mistake
Do not call every tomato leaf problem blight. Do not spray without checking weather and visible signs.
Done when
Check five affected plants and five healthy plants before acting.
Ask Mama G
Need a next step?
Ask with the symptom, leaf position, recent rain, and a clear photo if available.
Read more
Why this matters
Compare yellowing, spots, curling, wilting, and pest signs before deciding what to do.
Extra tip
Use this skill to improve soil care, crop checks, harvest handling, and everyday farm decisions.
RELATED LESSONS
Keep improving
Tomato Field Checks Before Flowering
Check tomato leaves, spacing, moisture, and early pest signs before flowering.
Before You Spray: 3 Things to Check First
Check weather, wind, and the real crop problem before spraying.
When to Ask Crop Doctor
Use Crop Doctor when a clear photo can help Mama G guide the next field check.