How to Fertilize Japanese hydrangea vine?
Hydrangea shrub feed every four weeks spring through early summer

Japanese hydrangea vine · Hydrangea hydrangeoides 'Quelpartensis'
Grow in moist but well-drained, humus rich soil, in sun or partial shade with shelter from cold, drying winds and from late frosts, which may damage young leaf and bud growth. See climbing hydrangea cultivation for detailed advice
Hydrangea shrub feed every four weeks spring through early summer