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Flower Color<br />
Only bigleaf hydrangea<br />
and mountain hydrangea<br />
blooms are affected<br />
by soil pH. The flowers<br />
of other hydrangeas<br />
will not change color.<br />
Blue flowers appear in<br />
more acidic soils, where<br />
aluminum is more<br />
available to the plant.<br />
In more basic soils,<br />
where aluminum is less<br />
available, the flowers will<br />
be more pink. Blooms can<br />
range from deep blue to<br />
purple to hot pink, with<br />
different varieties having<br />
a tendency to be either<br />
more pink or more blue.<br />
You can adjust the color<br />
of the blooms by adding<br />
aluminum sulfate to the<br />
soil for more blue flowers<br />
and lime to soils to<br />
encourage pink blooms.<br />
It may take a couple<br />
of seasons to see the<br />
desired color.<br />
Let’s Dance ®<br />
Starlight<br />
Cityline ® Berlin<br />
Pink Shira <br />
Edgy ® Orbits<br />
Cityline ® Rio<br />
Cityline ® Vienna<br />
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