How to Fertilize Sorbus setschwanensis?
Slow-release tree fertilizer applied once annually early spring

Sorbus setschwanensis · Sorbus setschwanensis
Grow in moderately fertile, humus-rich, moist but well-drained soil in sun or light dappled shade; will grow in a wide range of soils but prefers acidic or neutral soil. See tree cultivation for further advice
Slow-release tree fertilizer applied once annually early spring