What type of hydrangea is Nikko Blue?
Subsequently, one may also ask, how do you make blue Nikko hydrangeas blue?
To coax your hydrangeas into producing blue blooms, you can amend your soil with sulfur, or mulch your plants with a pine and/or cedar needle mulch. Alkaline soils (with a pH above 7) produce pink blooms. The more alakaline (or sweet) your soil is, the deeper pink your blooms will be.
Subsequently, question is, how long do Nikko blue hydrangeas bloom? across (12 cm), densely packed with rich, deep blue florets. Blooming in early summer for up to 2 months, 'Nikko Blue' is very floriferous and produces new flower stems throughout the summer.
Beside this, why is my Nikko blue hydrangea pink?
These bushes will bear blue flowers in acid soils, but pink blooms in alkaline ground. If a soil test reveals insufficient acidity and you desire a blue color, just raise acidity. Happily, it is very easy to change a bigleaf hydrangea's color to either pink or blue, depending upon what you want it to be.
What kind of hydrangea do I have?
Mophead hydrangeas are the most recognizable and popular hydrangea due to their large puffy flower heads. Their flowers can be purple, blue, or pink, and they thrive in hardiness zone 6.