hydrangea blue color
If you want blue hydrangeas, you can apply aluminum sulfate fertilizer every week before the flower buds form. To maintain blue hydrangeas, you should choose fertile, loose, and well drained sandy soil, and maintain it in a well ventilated environment with scattered light to keep the soil moist. Applying fertilizer appropriately during the growth period can make the flowering period more lasting. The maintenance method of blue embroidered ball Many people want to grow blue hydrangeas, but they don't know how to do it. It's actually very simple. You can use the characteristic of hydrangeas changing color when exposed to acid and alkali to cultivate them. If you want blue hydrangeas, you can apply aluminum sulfate fertilizer every week or so when the flower buds are just forming. The concentration of acidic substances in the irrigation should not be too high to avoid affecting the normal growth of hydrangeas. The maintenance of blue hydrangeas should choose fertile, loose, and well drained sandy soil, and be placed in an environment with scattered light and ventilation. Hydrangeas prefer a moist growth environment, and during summer maintenance, they can also be sprayed with water from the leaves of a watering can to maintain the humidity of the environment and make their leaves green and shiny. During the growth period of the blue hydrangea, it is recommended to apply a moderate amount of fertilizer, mainly nitrogen fertilizer, which can help the flowers bloom more vigorously and have a longer flowering period. When the embroidered ball grows vigorously, it needs to be trimmed to increase its aesthetic appeal and save nutrients, which is beneficial for growth. Hydrangea is a highly ornamental plant that is often planted in potted plants or gardens for viewing. However, hydrangea is not edible as it contains toxins throughout the plant. If ingested, symptoms such as abdominal pain and vomiting may occur, and in severe cases, coma and circulatory breakdown may occur.