Why does your Salix matsudana Tortuosa have drooping leaves? Diagnose the cause and fix it with our step-by-step guide.
As a willow species, Salix matsudana 'Tortuosa' has high transpiration rates and requires consistent moisture. Drooping occurs when the tree cannot replace water lost through leaf pores due to dry soil.
Excessive water in heavy or compacted soil leads to anaerobic conditions that damage the fine feeder roots. This prevents the tree from transporting water upwards, resulting in symptomatic wilting despite wet soil.
While generally sun-loving, extreme temperature spikes can cause the leaves to wilt temporarily as a defense mechanism to reduce surface area. This often happens during mid-day heat if the root system is shallow.
Fungal pathogens like Verticillium wilt can colonize the xylem of the willow, physically blocking water movement. This causes a sudden drooping that often starts on one side of a branch or the whole tree.
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