The
flower color of the Nikko Blue hydrangea depends on the acidity
level of the soil. In acidic soil, the Nikko Blue hydrangea
has deep blue flowers, while in alkaline soil, the blooms
tend to be lighter, and sometimes even pink.
Nikko
Blue hydrangea grows best in fertile, well-drained soils.
They are not very drought tolerant, and should be watered
regularly during dry periods. The Nikko Blue hydrangea prefers
full sun, but should be given half shade in areas that have
overly hot summers. The Nikko Blue hydrangea shrubs grow from
four to six feet tall, and have a mature spread of five to
seven feet.
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in zones five through nine, the Nikko Blue hydrangea have
lustrous bright green leaves and lovely flower colors. They
work well as an accent plant, or can be placed in a border.
The Nikko Blue hydrangea blooms on large buds formed on growth
from the previous season. Because of this, any pruning should
be done immediately after flowering.
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