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Hydrangea


Hydrangea Collection
The hydrangea collection (Hydrangea sp.) contains 3 species, 7 cultivars and a total of 25 specimens.  Hydrangeas are known for their coarse foliage and giant flower heads.  Though mostly white, there are now at least a couple of blue and pink flowering hybrids that are hardy.  To maintain a blue color, acid fertilizer and aluminum sulphate must be added regularly to the soil mix.

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