How to Fertilize hydrangea 'Red Ace'?
Acid-loving plant liquid feed every two weeks in spring and summer months

hydrangea 'Red Ace' · Hydrangea macrophylla 'Red Ace'
Grow in moist but well-drained, humus rich soil, in a lightly shaded spot with shelter from cold, drying winds. Mulch annually in spring. Red flower colours are best maintained by growing in slightly alkaline soil, though plants may become chlorotic in strongly alkaline soils. See shrubby hydrangea cultivation for more detailed advice
Acid-loving plant liquid feed every two weeks in spring and summer months