Why does your Hydrangea macrophylla Magical Ballade have brown leaf tips? Diagnose the cause and fix it with our step-by-step guide.
Hydrangea macrophylla species are moisture-loving plants with large leaf surface areas that lose water quickly through transpiration. When soil moisture is insufficient, the plant cannot supply enough water to the furthest edges of the leaves, causing the tips to desiccate and turn brown.
Excessive use of synthetic fertilizers can lead to a buildup of mineral salts in the growing medium. These salts draw moisture away from the leaf edges via osmosis, resulting in characteristic marginal necrosis or brown tips.
Strong, dry winds can strip moisture from the leaf margins faster than the root system can replace it. This is particularly common for 'Magical Ballade' if it is positioned in a drafty area or near an air conditioning vent.
While brown tips often suggest drought, overly compacted soil can cause root rot (Phytophthora), which prevents the roots from absorbing water. This creates a physiological drought symptom where the plant cannot hydrate its extremities despite soil moisture.
Your plant might also be experiencing one of these issues:
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