Peace Lily Root Rot: Signs, Causes and How to Save Your Plant

Peace Lily (Spathiphyllum) root rot is one of the most serious problems indoor growers face. Root rot develops when soil stays wet for too long, causing roots to decay and lose their ability to absorb water and nutrients.

This guide explains how to identify Peace Lily root rot and how to save a dying plant.

Start here: Peace Lily Care Guide

What Is Root Rot?

Root rot occurs when roots sit in overly wet soil and begin to decay.

• Roots turn brown or black
• Roots become soft
• Roots smell bad

Signs of Peace Lily Root Rot

• Yellow leaves
• Drooping leaves
• Slow growth
• Wet soil
• Soft stems

Yellow leaf guide: Peace Lily Yellow Leaves

Drooping guide: Peace Lily Leaves Drooping

Main Causes of Root Rot

• Overwatering
• Poor drainage
• Heavy soil
• No drainage holes

Watering guide: Peace Lily Watering Guide

Soil guide: Peace Lily Soil Guide

How to Check Roots

• Remove plant from pot
• Inspect roots
• Healthy roots → white or light tan
• Rotten roots → dark and soft

How to Fix Root Rot

Step 1 – Remove Plant

• Take plant out of pot
• Shake off soil

Step 2 – Trim Rotten Roots

• Remove black roots
• Keep healthy roots

Step 3 – Replace Soil

• Use fresh soil
• Improve drainage

Repotting guide: Peace Lily Repotting Guide

Recovery Time

• 2–4 weeks improvement
• New leaves indicate recovery

Growth guide: Peace Lily Growth Rate

How to Prevent Root Rot

• Proper watering
• Well-draining soil
• Drainage holes
• Moderate light

Light guide: Peace Lily Light Requirements

Can Root Rot Kill a Peace Lily?

Severe root rot can kill a Peace Lily if untreated.

Brown tips guide: Peace Lily Brown Tips

Early Warning Signs

• Slow growth
• Soft leaves
• Yellowing leaves

Flowering guide: Peace Lily Not Flowering

FAQ

How do I know if my Peace Lily has root rot?

Root rot causes soft black roots and yellow leaves.

Can Peace Lily recover from root rot?

Yes, if treated early.

What causes root rot?

Root rot is caused by excessive watering.

Should rotten roots be removed?

Yes, rotten roots must be trimmed.

How long does recovery take?

Recovery usually takes several weeks.