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Yellow Leaves

Yellowing leaves (chlorosis) is one of the most common plant problems. While a few yellow leaves are normal — especially older lower leaves — widespread yellowing usually signals an underlying issue that needs attention.

Symptoms

check_circleLeaves turning pale green then yellow
check_circleYellowing starting from older (lower) leaves
check_circleYellow patches between leaf veins (interveinal chlorosis)
check_circleEntire leaf turning yellow before dropping

Causes

arrow_rightOverwatering / root rot
arrow_rightUnderwatering / drought stress
arrow_rightNutrient deficiency (nitrogen, iron, magnesium)
arrow_rightToo little light
arrow_rightPest damage (aphids, spider mites)
arrow_rightNatural ageing of lower leaves
arrow_rightCompacted or waterlogged soil

How to Diagnose

Check the soil first: if it's wet and the lower leaves are yellow, suspect overwatering. If the soil is bone dry, underwatering is likely. Check the undersides of leaves for pests. If yellowing is between veins (interveinal), a nutrient deficiency is probable.

Treatment

If overwatering: let the soil dry fully, check for root rot, repot if necessary. If underwatering: water thoroughly and consistently. For nutrient deficiency: use a balanced liquid fertiliser. For pests: treat with neem oil or insecticidal soap.

Prevention

Water only when the top inch or two of soil is dry. Use well-draining soil. Feed during the growing season. Provide adequate light. Inspect regularly for pests.

Affected Plants

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