These large-leafed shrubs produce showy clusters of deep blue flowers. Fertilize with aluminum sulfate to keep plants blue. Mulch to keep roots cool and moist, protect from frost.
Attributes - Hydrangea macrophylla 'Nikko Blue'
Plant Type: Shrub
Bloom Season: Late Spring through Mid Summer
Flower Color: Blue
Height: 3 ft. to 6 ft.
Width: 5 ft.
Sunlight: Partial Sun, Shade
Climate: Zones 6, 7, 8, 9
Notes: Thrives in Acid Soil, Wet Soil. Cut Flowers, Long Blooming, Showy Flowers. Susceptible to Aphids, Black Spot, Powdery Mildew, Scales, Spider Mites.