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Root Rot in Amaryllis

verifiedReviewed by the GreenScout Team

Amaryllis is a spectacular indoor bulb plant featuring large, trumpet-shaped flowers in shades of red, pink, white, or bi-colors that bloom on tall, sturdy stems in winter or early spring

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Amaryllis care requirements

These care conditions are most relevant to root rot in Amaryllis. Check each one as a potential cause.

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Water
Keep soil consistently moist but not waterlogged during active growth and flowering. Reduce watering gradually after flowering, then keep dry during the dormancy period (6–8 weeks) when the bulb rests.
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Soil
Use well-draining potting soil mixed with perlite or sand. Amaryllis bulbs must not sit in wet soil. Plant bulbs so the top third protrudes above the soil line.
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Humidity
Tolerates average indoor humidity (40–60%); not particularly humidity-demanding. Ensure good air circulation around the plant to prevent fungal issues.
symptoms

Symptoms to look for in Amaryllis

  • fiber_manual_recordBrown, mushy roots
  • fiber_manual_recordYellowing leaves
  • fiber_manual_recordWilting despite moist soil
  • fiber_manual_recordFoul smell from soil
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Common causes in Amaryllis

  • fiber_manual_recordOverwatering
  • fiber_manual_recordPoor drainage
  • fiber_manual_recordFungal pathogens
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How to diagnose root rot in Amaryllis

Remove plant from pot. Healthy roots are white/tan and firm. Rotted roots are brown/black and mushy.

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How to treat root rot in Amaryllis

Trim all rotted roots with sterile scissors. Treat with hydrogen peroxide solution. Repot in fresh, well-draining soil.

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Preventing root rot in Amaryllis

Always use pots with drainage holes. Allow soil to partially dry between waterings. Use well-draining compost.

Other Amaryllis problems