A genus of flowering plants of the [i]Hydrangeaceae[/i] family, native to southern and eastern Asia. Most species are [[bush|shrubs]], but some are small trees. Commonly called [b]hortensia[/b].

Hydrangeas bear globular or umbrella-shaped clusters of flowers that come out any time from early spring to late autumn in a variety of colors influenced by the pH level of the soil.

In Japan, it is commonly associated with [[rain]]. Its Japanese name is "ajisai" (アジサイ or 紫陽花), which refers specifically to [i]Hydrangea macrophylla[/i].

h4. Examples
* !post #7600469
* !post #7610132
* !post #6807721: Early blooming stage

h4. See also
* [[Hydrangea print]]

h4. External links
* "Wikipedia: Hydrangea":http://en.wikipedia.org/wiki/Hydrangea
* "Wikipedia: Hydrangea macrophylla":https://en.wikipedia.org/wiki/Hydrangea_macrophylla
* "Wikipedia: Hydrangeaceae":https://en.wikipedia.org/wiki/Hydrangeaceae
アジサイ ハイドランジア 紫陽花 绣球花