Why Is My Plant Turning Yellow?
Identify the cause and restore your plant's healthy green color
Quick Yellowing Diagnosis
Lower leaves only: Nitrogen deficiency or natural aging
Yellow with green veins: Iron/manganese deficiency
All leaves pale yellow: Light deficiency or overwatering
Yellow spots: Pest damage or disease
Common Causes & Fixes
Nitrogen Deficiency
Older leaves turn uniformly yellow, starting from bottom. Fix: Apply balanced fertilizer (10-10-10) or nitrogen-rich organic fertilizer like fish emulsion.
Overwatering
Leaves yellow and may feel soft. Soil stays wet. Fix: Allow soil to dry between waterings. Ensure drainage holes work. Reduce watering frequency.
Iron Deficiency
Young leaves yellow while veins stay green. Common in alkaline soil. Fix: Apply chelated iron fertilizer, lower soil pH, use acidifying fertilizer.
Frequently Asked Questions
Why are my plant's lower leaves turning yellow?
Lower leaf yellowing while upper leaves stay green usually indicates nitrogen deficiency or natural aging. Nitrogen is mobile, so plants move it from old leaves to new growth. Apply balanced fertilizer. If only 1-2 bottom leaves yellow occasionally, it's normal leaf turnover.
Why are my plant's leaves yellow with green veins?
Yellow leaves with green veins (interveinal chlorosis) indicates iron or manganese deficiency. This often occurs in alkaline soil where these nutrients become unavailable. Lower soil pH with sulfur or use chelated iron fertilizer. Container plants often need micronutrient supplements.
Can overwatering cause yellow leaves?
Yes! Overwatering is one of the most common causes of yellowing. Waterlogged roots can't absorb nutrients or oxygen, causing leaves to yellow, often starting from the bottom. Check if soil is soggy and reduce watering. Ensure good drainage.
Will yellow leaves turn green again?
Unfortunately no - once leaf tissue turns yellow the chlorophyll is damaged or destroyed. However, preventing further yellowing allows the plant to produce healthy new leaves. Focus on fixing the underlying cause rather than the existing yellow leaves.