Plant-Specific Guides2 min read
Philodendron Yellow Leaves
Philodendron yellow leaves usually come from wet soil, low light, older leaves, dry swings, or pests around new growth and nodes.
Read the guidePlant + symptom guide
Philodendron root rot
Root rot is more likely when decline comes with wet soil, sour smell, mushy roots, soft stems, or a sealed pot. It is worth checking carefully before repotting.
For philodendron, adjust the diagnosis around this plant profile: Philodendrons are forgiving aroids, but yellow leaves often trace back to wet soil, low light, aging vines, or pests tucked into new growth.
Most likely causes
overwateringno drainagedense soillow light plus slow dryingoverwatering or slow-drying soillow light slowing growth and water use
How to confirm it
Smell the soil and look for sour or swampy odor.
Slide the root ball out only if decline is severe or the pot has no drainage.
Check for brown, mushy roots versus firm pale roots.
Check whether yellowing is limited to old inner leaves or spreading down vines.
Look for sparse growth and long internodes.
Next steps for Philodendron
- Step 1
Isolate the plant if rot is severe or pests are also present.
- Step 2
Trim dead roots and repot into a faster-draining mix if roots are mushy.
- Step 3
Do not fertilize while roots are recovering.
Recommended reading
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