Many
hydrangea plants require a lot of room in order to grow and
spread out. Planting hydrangea away from trees and other shrubs
will be a good idea. Most of the hydrangea plants need sun
in the morning, but should be protected from the hotter afternoon
sun, especially in the hotter zones of the south. Most of
the hydrangea shrubs are hardy in zones five through nine,
and make excellent garden accents or border plants.
Hydrangea
plants can grow in variable soil conditions, but most will
prefer well-drained soil. Many of the species of hydrangea
bloom from August until the first frost, but some of them,
such as the Oakleaf hydrangea, bloom in mid to late spring.
One interesting fact about hydrangea plants is their tendency
to have a different bloom color depending on the pH level
of the soil. In acidic soil, the blooms will be blue, while
in alkaline soil they will be red. If the soil is neutral,
the blooms will tend to be white.
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