Why does your Citrus have brown leaf tips? Diagnose the cause and fix it with our step-by-step guide.
Citrus trees are highly sensitive to chloride and sodium buildup from tap water or excessive synthetic fertilizers. As salts accumulate in the leaf tissue, they draw moisture out of the cells, leading to characteristic necrotic brown tips.
Citrus trees require consistent moisture to maintain turgor pressure. When the soil dries out too deeply, the plant sacrifices the furthest extremities of the leaves to conserve water, resulting in crispy brown tips.
While drought causes drying, overwatering leads to root rot in citrus. As roots die from lack of oxygen, they can no longer transport water to the leaf margins, causing the tips to turn brown and look wilted.
A lack of potassium prevents the tree from regulating osmotic pressure within the leaves. This deficiency often manifests first as marginal necrosis or browning of the leaf edges and tips.
Your plant might also be experiencing one of these issues: