What determines whether hydrangea is pink or blue? How to achieve color matching?

Hydrangea (scientific name: hydrangea), also known as hydrangea, Ajisai, heptagonal flower, pink flower, hydrangea and so on. , native to China, Sichuan and Japan. When combined with aluminum ions, the color will be blue, but it can only absorb free aluminum ions. Most of our potted plants do not contain aluminum, so most of the flowers planted without color matching are pink. In addition, the color of hydrangea is mainly affected by the pH value of basin soil. This paper will introduce four color matching methods of hydrangea. Hydrangea was cultivated earlier in China, and it was planted in Jiangnan gardens built in Ming and Qing Dynasties. Parks built at the beginning of the 20th century are also inseparable from the cultivation of hydrangeas. Modern parks and scenic spots are planted in pieces to form a landscape.

Hydrangea has a variety of flower language meanings, and the flower language of hydrangea is different according to different colors. Generally speaking, the flower language of hydrangea includes: hope, loyalty, eternity, happiness, reunion, change of heart, change of heart and so on. The flower language of a specific color represents different meanings. The discoloration of hydrangea is related to the pH of soil. In the natural state, the white hydrangea first opens green, then turns white, turns blue when it meets acid, and turns powder when it meets alkali. This kind of hydrangea can constantly change color according to the pH of the soil, which looks very interesting. This kind of hydrangea will turn pink when it grows in slightly alkaline soil, and blue when it grows in acidic soil.

Hydrangea macrophylla var. Sky blue flowers have dark blue flowers and blue or white marginal flowers. Now is the season when hydrangeas are in full bloom. Hydrangea is also called Ajisai. Ziyang blossoms, and the rainy season is coming. Grandma took a photo with the baby and hydrangea. Hydrangea color matching principle: Hydrangea has its own delphinium, which is blue only when it is combined with aluminum ions in acidic environment. Common colors are sulfur powder, ferrous sulfate, aluminum sulfate and salt-free white vinegar.