Hydrangea 'Nikko Blue'
Hydrangea 'Nikko Blue'
The Nikko Blue Hydrangea is a beloved deciduous shrub known for its vibrant, large mophead blooms. Its flower color varies with soil pH—producing vivid blue flowers in acidic soils and pink hues in alkaline conditions. This adaptability makes it a standout choice for gardeners seeking dynamic visual interest.
Product Features
Hardiness Zone
Grows well in zones 6 - 9. Please see images for zones. Hydrangeas that are planted outside of these zones may struggle to thrive.
Blooms and pH
The bloom color of Nikko Blue Hydrangea depends on soil pH—acidic soil (pH below 6) produces rich blue flowers, while alkaline soil (pH above 7) shifts blooms to a soft pink. You can adjust the bloom color by amending the soil's pH.
Plant Details
Mature Size: Typically reaches 4–6 feet in both height and width, forming a rounded, bushy habit.
Foliage: Lustrous, medium green leaves with serrated edges provide a lush backdrop to the blooms.
Bloom Characteristics: Type: Mophead (large, rounded flower clusters). Size: Flower heads can reach up to 5 inches in diameter.
Landscape Uses
Ideal for use as a specimen plant, in borders, or as part of a flowering hedge. Its large blooms also make excellent cut flowers for arrangements.