This post contains affiliate links. As an Amazon Associate I earn from qualifying purchases. If you click a link and make a purchase, I may receive a small commission at no extra cost to you.
Pothos can develop brown stems for several common reasons that are usually fixable.
When you notice why your pothos has brown stems, the culprit is often related to watering, humidity, or physical damage.
If you have a pothos with brown stems, your plant is trying to tell you something about its environment.
Brown stems on a pothos might not mean the end for your plant and often signal a simple care adjustment.
In this post, we’ll explore why your pothos has brown stems and what you can do about it.
Let’s help your pothos recover.
Why Pothos Develop Brown Stems
Understanding why your pothos has brown stems starts with looking at the typical stressors that affect this hardy plant.
1. Overwatering Leads to Root Rot and Brown Stems
Why your pothos has brown stems is often due to overwatering.
When you water your pothos too often, the roots sit in soggy soil.
This lack of oxygen causes root rot, which then travels up the stem.
A pothos with brown stems from root rot will often have mushy, dark brown areas near the base.
Check the soil, if it feels wet several days after watering, overwatering is likely why your pothos has brown stems.
2. Underwatering Causes Dry, Brown Stems
On the flip side, underwatering can also explain why your pothos has brown stems.
When a pothos doesn’t get enough water, the stems can dehydrate and turn brown and crispy.
You might see brown stems on your pothos that feel brittle and look shriveled.
The leaves will often droop and curl before the stems show color.
If the soil is bone dry and pulling away from the pot, underwatering is why your pothos has brown stems.
3. Low Humidity Stresses the Stems
Why your pothos has brown stems might also be linked to low humidity.
Pothos are tropical plants that thrive in humid air.
In dry indoor environments, the stems can develop brown patches or edges.
A pothos with brown stems from low humidity will typically show browning on the stem nodes or at leaf joints.
If your home is particularly dry in winter or has forced air heating, this is a likely candidate for why your pothos has brown stems.
4. Physical Damage Can Cause Brown Spots on Stems
Sometimes why your pothos has brown stems is simply due to physical injury.
Bumping the plant, breaking a stem during repotting, or even rough handling during watering can cause trauma.
A pothos with brown stems from damage will have localized brown marks at the injury site.
This type of browning is usually isolated to the damaged area and won’t spread.
It’s cosmetic and not a sign of a deeper problem for your pothos with brown stems.
5. Fungal Infections Lead to Soft Brown Stems
In some cases, why your pothos has brown stems points to a fungal infection.
Fungi thrive in overly wet conditions and can attack the stem tissue.
A pothos with brown stems from fungus will often have soft, mushy spots that may look water-soaked.
This is why your pothos has brown stems if you also see mold on the soil surface.
Isolate the plant quickly to prevent the fungus from spreading to other houseplants.
How to Fix Brown Stems on a Pothos
Once you know why your pothos has brown stems, you can take action to help it recover.
1. Adjust Your Watering Schedule
If overwatering is why your pothos has brown stems, let the soil dry out completely before watering again.
Use a pot with drainage holes and water only when the top inch of soil feels dry.
For a pothos with brown stems from underwatering, give it a thorough soak and then water consistently.
The right watering routine is the number one fix for why your pothos has brown stems.
2. Increase Humidity Around the Plant
If low humidity is why your pothos has brown stems, mist the leaves regularly.
Place a humidifier nearby or set the pot on a pebble tray with water.
Grouping your pothos with other plants can also create a more humid microclimate.
Your pothos with brown stems will often recover once the air is moist enough.
3. Trim Away Damaged Stems
For a pothos with brown stems from physical damage or fungal issues, pruning is the best solution.
Use clean, sharp scissors to cut the brown stems back to healthy green tissue.
Removing affected stems helps the plant focus energy on new growth.
Why your pothos has brown stems may be resolved simply by trimming off the ugly parts.
4. Check and Repot the Roots
If root rot is why your pothos has brown stems, you may need to repot the plant.
Remove the pothos from its pot and trim away any dark, mushy roots.
Repot in fresh, well-draining soil and a clean pot.
A pothos with brown stems can bounce back quickly after a root rescue.
So, Why Does My Pothos Have Brown Stems?
Why your pothos has brown stems is most often a result of watering issues, humidity problems, or physical damage.
Overwatering and underwatering are the two biggest reasons for a pothos with brown stems.
Low humidity can also contribute, especially in dry homes.
By adjusting your care routine and trimming damaged parts, your pothos with brown stems can recover and put out healthy new growth.
Monitor your plant closely and it will thrive again.