Why does your Rhododendron decorum have brown leaf tips? Diagnose the cause and fix it with our step-by-step guide.
Rhododendrons are sensitive to high levels of soluble salts. Excess fertilizer or mineral buildup from tap water can accumulate in the leaf margins, causing desiccation and browning.
As an acid-loving evergreen, Rhododendron decorum requires consistent moisture. If the growing medium dries out completely, the leaf tips are the first part to lose turgor and turn necrotic.
In indoor or low-humidity environments, rapid transpiration from the leaf edges can outpace water uptake, leading to crispy brown tips.
Rhododendron roots are shallow and delicate. Soil compaction or damage to the root system prevents the plant from transporting enough water to the leaf extremities.
Your plant might also be experiencing one of these issues:
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