description Hydrangea Overview
Hydrangeas are native to Asia and the Americas, with the large-flowered cultivated forms originating primarily from the Japanese species Hydrangea macrophylla introduced to Europe in the 18th century.
help Hydrangea FAQ
Which hydrangea species is behind many large-flowered cultivated forms?
Many large-flowered cultivated hydrangeas come primarily from the Japanese species Hydrangea macrophylla. That species is one reason hydrangeas are strongly associated with Japanese garden forms.
Are hydrangeas native only to Asia?
No. Hydrangeas as a group are native to both Asia and the Americas, although many popular large-flowered cultivated forms originated from Asian species.
Why can Hydrangea macrophylla flowers be blue or pink?
In many Hydrangea macrophylla cultivars, soil chemistry and available aluminum can influence whether flowers appear more blue or more pink. The cultivar's genetics still affects the range of colors it can produce.
When were large-flowered hydrangeas introduced to Europe?
Cultivated forms originating primarily from Hydrangea macrophylla were introduced to Europe in the 18th century. The modern garden plant therefore has a long history of cultivation outside Asia.
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