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Brown Spots in Aglaonema Red Siam

verifiedReviewed by the GreenScout Team

An ornamental Chinese Evergreen cultivar displaying deep red or burgundy-tinted foliage with darker veining on a green base

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Aglaonema Red Siam care requirements

These care conditions are most relevant to brown spots in Aglaonema Red Siam. Check each one as a potential cause.

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Light
Low to medium indirect light; tolerates dim environments but shows better color in brighter indirect light
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Water
Allow soil to dry slightly between waterings; water when top 1–2 inches are dry
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Humidity
Tolerates average indoor humidity of 40–60%; misting beneficial but not essential
symptoms

Symptoms to look for in Aglaonema Red Siam

  • fiber_manual_recordBrown patches on leaves
  • fiber_manual_recordCrispy brown areas
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Common causes in Aglaonema Red Siam

  • fiber_manual_recordFungal leaf spot
  • fiber_manual_recordSunburn
  • fiber_manual_recordBacterial blight
  • fiber_manual_recordCold damage
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How to diagnose brown spots in Aglaonema Red Siam

Sunburn: bleached patches facing light source. Fungal: brown spots with rings. Bacterial: water-soaked spots turning brown.

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How to treat brown spots in Aglaonema Red Siam

Remove affected leaves. Treat with appropriate fungicide or bactericide. Adjust light exposure.

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Preventing brown spots in Aglaonema Red Siam

Avoid direct midday sun. Improve air circulation. Water at soil level.

Other Aglaonema Red Siam problems