Root Rot on ficus lyrata
What's Happening
Overwatering in Ficus lyrata occurs when watering frequency exceeds the plant's reduced winter metabolic demand. The pseudocaudex (swollen stem base) and sclerophyllous (thick, waxy) leaves store water reserves enabling 3-4 week drought tolerance. When soil remains moist for 7+ days, anaerobic conditions develop in the fine epiphytic root system, promoting bacterial soft rot (Erwinia spp.) and root suffocation that manifests as yellowing lower leaves and sudden leaf drop.
How to Fix It
- 1
Immediately cease all watering—allow soil to dry completely (2-4 weeks depending on humidity)
- 2
Check root health: unpot and inspect for black/mushy roots (rot) vs white/firm roots (healthy)
- 3
If rot present: trim affected roots with sterile scissors, soak remaining roots in 3% hydrogen peroxide (1:1 with water) for 20 minutes
- 4
Repot in fresh well-draining mix: 50% potting soil, 30% perlite, 20% orchid bark
- 5
Resume watering only when top 2-3 inches soil is bone dry—typically every 14-21 days indoors
How to Prevent It
Adopt 'soak and dry' method: water thoroughly until drainage, then allow top 2-3 inches to dry completely; use terracotta pots for moisture wicking; employ wooden skewer test—insert 3 inches deep, water only when skewer emerges dry.
Related Problems
Same Problem on Other Plants
Go Deeper
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