Nikko Blue Bigleaf Hydrangea
Hydrangea macrophylla 'Nikko Blue'
Blooms blue globular flower. Flowers will turn blue when Aluminum Sulphate is added to the soil. Flowers bloom on old wood. Dark green foliage.
Bloom Period: Mid-summer until frost
Growth Habit: Upright and rounded
Mature Height: 3' to 4' (90 cm to 120 cm)
Mature Spread: 3' to 4' (90 cm to 120 cm)
Growth Rate: Moderate
Sun Exposure: Full morning sun to partial shade
Cold Hardiness Zone: 4
Cut or dried flower
Pruning Tip: Do not prune, only remove spent flowers and dead/damaged stems
Landscape use: Foundation planting or garden accent