warning

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

potted_plant

Calendula care requirements

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

water_drop
Water
Water moderately; drought-tolerant once established. Allow soil to dry slightly between waterings. Avoid overhead watering to prevent disease.
compost
Soil
Tolerates poor to average soil; well-draining loamy or sandy soil preferred. pH 6.0–8.0. Does not require rich soil.
humidity_percentage
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
help

Common causes in Calendula

  • fiber_manual_recordOverwatering
  • fiber_manual_recordPoor drainage
  • fiber_manual_recordFungal pathogens
troubleshoot

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.

healing

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.

shield

Preventing root rot in Calendula

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

Other Calendula problems