Why Are My Houseplant Leaves Turning Yellow?
Why Are My Houseplant Leaves Turning Yellow?
Yellow leaves are a symptom, not a diagnosis. The most common causes are normal leaf aging, watering problems, poor drainage, weak light, sudden environmental change, root damage, pests, or a nutrient imbalance.
Quick answer: Start with the potting mix and roots. If the soil is still wet long after watering, improve light, airflow, drainage, or watering frequency. If the mix is extremely dry and pulling away from the pot, rehydrate it thoroughly and adjust your routine.
Step-by-step diagnosis and care
Check whether the leaf is old or new
One older bottom leaf turning yellow can be normal. Several leaves yellowing together, soft stems, or a spreading pattern deserves closer inspection.
Check the soil before watering
Push a finger or clean wooden stick into the mix. Different genera need different drying depths, so compare the result with the care guide for your plant.
Inspect drainage and roots
Confirm that water can leave the pot. Sour-smelling mix, black roots, or mushy tissue can indicate root damage. Healthy roots are generally firm.
Review light and recent changes
A move, cold draft, shipping, repotting, or sudden direct sun can trigger yellowing even when watering has not changed.
Inspect both sides of the leaves
Look for webbing, scale-like bumps, stippling, sticky residue, or distorted new growth before assuming fertilizer is needed.
Helpful FloraVines products and collections
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Frequently asked questions
Should I remove a yellow leaf?
A fully yellow leaf will not turn green again and can be removed with clean tools. Keep partly green leaves unless they are damaged or diseased.
Does every yellow leaf mean overwatering?
No. Underwatering, low light, stress, pests, and natural aging can create similar symptoms.
Should I fertilize immediately?
Not until watering, roots, light, and pests are checked. Fertilizer can worsen stress when roots are damaged.