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Root Rot in Calendula
verifiedReviewed by the GreenScout Team
Calendula is a cheerful hardy annual with bright orange or yellow daisy-like flowers that bloom continuously throughout the season
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Calendula care requirements
These care conditions are most relevant to root rot in Calendula. Check each one as a potential cause.
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Water
Water moderately; drought-tolerant once established. Allow soil to dry slightly between waterings. Avoid overhead watering to prevent disease.
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Soil
Tolerates poor to average soil; well-draining loamy or sandy soil preferred. pH 6.0–8.0. Does not require rich soil.
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Humidity
Prefers low to moderate humidity. High humidity and poor air circulation increase fungal disease risk.
symptoms
Symptoms to look for in Calendula
- 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 Calendula
- fiber_manual_recordOverwatering
- fiber_manual_recordPoor drainage
- fiber_manual_recordFungal pathogens
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How to diagnose root rot in Calendula
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 Calendula
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 Calendula
Always use pots with drainage holes. Allow soil to partially dry between waterings. Use well-draining compost.