How to Fix Root Rot on Monstera

Monstera plant removed from its pot showing root rot damage and healthy roots during treatment.
Inspecting Monstera roots to identify and fix root rot before repotting. pottedpatch.com.

Root rot is one of the most serious problems a Monstera can face—but it’s also fixable if you act quickly. Because Monsteras store moisture in thick roots and stems, excess water and poor drainage can silently damage the root system long before leaves show obvious symptoms.

This guide explains how to identify root rot on a Monstera, how to fix it step by step, and how to prevent it from happening again.


What Is Root Rot in Monstera Plants?

Root rot occurs when roots sit in overly wet soil for too long, depriving them of oxygen. Instead of absorbing water and nutrients, affected roots begin to decay.

In Monsteras, root rot is most often caused by:

  • Overwatering
  • Poorly draining soil
  • Pots without drainage holes
  • Compacted or old soil
  • Low light combined with frequent watering

Once rot starts, it can spread quickly if not addressed.


Early Signs of Root Rot on Monstera

Catching root rot early dramatically increases the chance of saving the plant.

Above-Soil Warning Signs

  • Yellowing leaves, especially lower ones
  • Limp or drooping leaves that don’t perk up after watering
  • Slow or stalled growth
  • Leaves turning brown at the edges or tips

Below-Soil Warning Signs

  • Soil that stays wet for many days
  • A sour or rotten smell from the pot
  • Mushy, dark roots visible through drainage holes

If multiple signs appear at once, root rot is likely already present.


Step-by-Step: How to Fix Root Rot on Monstera

Person trimming rotten roots from a Monstera plant to treat root rot before repotting.
Removing rotten roots from a Monstera to stop root rot and support healthy regrowth. pottedpatch.com.

Step 1: Remove the Plant From Its Pot

Gently slide the Monstera out of its container. If the plant is large, lay it on its side to avoid snapping stems.

Shake off as much soil as possible to expose the root system.


Step 2: Inspect the Roots Carefully

Healthy Monstera roots are:

  • Firm
  • Light tan or white
  • Slightly flexible

Rotten roots will be:

  • Dark brown or black
  • Mushy or slimy
  • Foul-smelling
  • Easily pulled apart

You’ll need to remove all damaged roots.


Step 3: Trim Away All Rotten Roots

Using clean, sharp scissors or pruning shears:

  1. Cut away every mushy or dark root
  2. Trim back to firm, healthy tissue
  3. Disinfect tools between cuts if rot is widespread

It’s better to remove too much than leave rot behind.


Step 4: Let the Roots Dry Briefly

Before repotting:

  • Allow the trimmed roots to air dry for 1–2 hours
  • This helps wounds callus and reduces reinfection risk

Avoid leaving roots exposed for an entire day.


Step 5: Repot in Fresh, Well-Draining Soil

Root rot will return if soil conditions don’t change.

Use a soil mix that is:

  • Fast-draining
  • Light and airy
  • Resistant to compaction

A good Monstera soil blend includes potting soil mixed with perlite, orchid bark, or coarse material.

Always choose a pot with drainage holes.


Step 6: Adjust Watering Immediately

After repotting:

  • Wait several days before watering
  • Water lightly the first time
  • Allow soil to dry partially between waterings

Monsteras prefer slightly moist soil—but never soggy.


What If Most of the Roots Are Gone?

If root rot is severe, recovery is still possible.

Option 1: Propagate Healthy Stems

If the root system is beyond saving:

  • Cut healthy stems with nodes
  • Root them in water or fresh soil
  • Start over with a healthier plant

Monsteras propagate easily and often recover faster this way.


Option 2: Downsize the Pot

If few roots remain:

  • Use a smaller pot
  • Avoid excess soil volume
  • Reduce watering frequency

Too much empty soil holds moisture and slows recovery.


Common Mistakes When Treating Root Rot

Avoid these errors during recovery:

  • Reusing old soil
  • Repotting into the same wet container
  • Watering immediately after trimming roots
  • Keeping the plant in low light
  • Using moisture-retaining soil mixes

Root rot treatment requires environmental changes, not just trimming.


How to Prevent Root Rot in the Future

Once your Monstera recovers, prevention is key.

Best Prevention Practices

  • Always use pots with drainage holes
  • Water only when the top soil begins to dry
  • Use chunky, fast-draining soil
  • Empty saucers after watering
  • Increase light to match watering habits

Healthy roots rely on both oxygen and moisture balance.


Signs Your Monstera Is Recovering

Recovery takes time, but positive signs include:

  • New leaf growth
  • Firmer stems
  • Improved leaf color
  • Soil drying at a predictable rate

Older damaged leaves may not recover, but new growth indicates success.


Final Thoughts

Root rot on a Monstera can look intimidating, but it’s often fixable with quick action and better soil and watering habits. The key is removing all damaged roots, improving drainage, and letting the plant reset in a healthier environment.

With the right care, Monsteras are resilient—and many bounce back stronger than before.