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Black Spots in Tomato

verifiedReviewed by the GreenScout Team

Tomatoes are the most popular home-grown vegetable, producing fruit from small cherry types to large beefsteaks

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Tomato care requirements

These care conditions are most relevant to black spots in Tomato. Check each one as a potential cause.

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Humidity
Moderate. Good airflow reduces disease.
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Water
Deeply and regularly; 2–5cm per week. Consistent moisture prevents blossom end rot.
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Temperature
21–29°C daytime. No frost tolerance.
symptoms

Symptoms to look for in Tomato

  • fiber_manual_recordBlack or dark brown spots
  • fiber_manual_recordSpots with yellow halos
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Common causes in Tomato

  • fiber_manual_recordFungal disease (black spot)
  • fiber_manual_recordBacterial infection
  • fiber_manual_recordSunburn
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How to diagnose black spots in Tomato

Fungal spots: often circular with yellow margins. Sunburn: irregular bleached patches turning black.

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How to treat black spots in Tomato

Remove affected leaves. Apply fungicide. Adjust sun exposure.

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Preventing black spots in Tomato

Avoid wetting foliage. Provide adequate spacing. Remove debris.

Other Tomato problems

Black Spots in Tomato — Causes & Treatment | GreenScout