How to Fertilize hydrangea 'Taiwan'?
Hydrangea feed in spring and again early summer

hydrangea 'Taiwan' · Hydrangea aspera 'Taiwan'
Grow in moist but well-drained, moderately fertile, humus-rich soil in sun or part shade with shelter from cold drying winds; may become chlorotic in shallow chalky soils
Hydrangea feed in spring and again early summer