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• Binomial Name : Hydrangea macrophylla
  

• Kingdom : Plantae
  

• Order : Cornales
  

• Family : Hydrangeaceae
  

• Genus : Hydrangea
  

• Species : H. macrophylla

1. Can be either deciduous or evergreen.
2. Produced from early spring to late autumn.
3. Grow in flowerheads (corymbs or panicles) at the end of the stems.
4. In most species the flowers are white, but in some species (notably H. macrophylla) can be blue, red, pink, light purple, or dark purple.
5. In these species the exact colour often mirror the pH or the soil; acidic soils produce blue flowers, neutral soils produce very pale cream petals, and alkaline soils results in pink or purple. This is caused by a color change of the flower pigments in the presence of aluminium ions which can be taken up into hyperaccumulating plants.
6. Popular ornamental plants.