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

ZZ Plants (Zamioculcas zamiifolia) are drought-tolerant houseplants, but they are highly sensitive to excess moisture. Root rot is one of the most serious problems ZZ Plants can develop and can quickly damage the plant if not treated.

This guide explains how to identify ZZ Plant root rot and how to save your plant before permanent damage occurs.

Start here: ZZ Plant Care Guide

What Is ZZ Plant Root Rot?

Root rot occurs when roots stay wet for long periods and begin to decay.

• Soft roots
• Dark roots
• Root collapse

Main Causes of ZZ Plant Root Rot

• Overwatering
• Poor soil drainage
• Pots without drainage holes
• Cold wet soil

Overwatering

Overwatering is the main cause of ZZ Plant root rot.

• Wet soil
• Soft stems
• Yellow leaves

Watering guide: ZZ Plant Watering Guide

Overwatering signs: ZZ Plant Too Much Water Signs

Poor Soil Drainage

Heavy soil traps water around roots.

Soil guide: ZZ Plant Soil Guide

Signs of Root Rot

• Yellow leaves
• Soft stems
• Slow growth
• Bad smell

Yellow leaf guide: ZZ Plant Yellow Leaves

Soft leaf guide: ZZ Plant Leaves Soft

How to Check Roots

• Remove plant from pot
• Inspect roots
• Healthy roots are firm
• Rotten roots are soft

How to Fix ZZ Plant Root Rot

Step 1 — Remove the Plant

• Take plant out carefully
• Remove wet soil

Step 2 — Trim Rotten Roots

• Cut soft roots
• Keep firm roots

Step 3 — Let Roots Dry

• Allow roots to air dry
• Wait several hours

Step 4 — Repot Plant

• Use fresh soil
• Use draining pot

Repotting guide: ZZ Plant Repotting Guide

Can ZZ Plants Recover from Root Rot?

ZZ Plants can recover if healthy roots remain.

• New leaves appear later
• Old leaves may die

Growth guide: ZZ Plant Growth Rate

Preventing Root Rot

• Water less often
• Use draining soil
• Use drainage holes
• Avoid cold wet soil

Light guide: ZZ Plant Light Requirements

Size guide: ZZ Plant Size Indoors

Root Rot vs Overwatering

• Overwatering → early stage
• Root rot → advanced damage

FAQ

What causes ZZ Plant root rot?

Root rot is usually caused by overwatering and poor drainage.

Can ZZ Plants recover from root rot?

Yes, ZZ Plants can recover if healthy roots remain.

How do I know if my ZZ Plant has root rot?

Soft dark roots and bad smell indicate root rot.

Should rotten roots be removed?

Yes, rotten roots must be removed to save the plant.

How can root rot be prevented?

Root rot can be prevented with proper watering and draining soil.