blue hydrangea flowers

💡 养护小贴士

Soil requirements: Choose fertile, loose, and well drained sandy soil, which can be prepared in proportion using humus soil, garden soil, river sand, and cake fertilizer. The potting soil should be replaced once a year Watering management: Water once every 2-3 days in spring and autumn, once in the morning and once in the evening in summer, and once every 5-7 days in winter to keep the soil moist Light requirements: prefers semi shaded environments, suitable sun exposure in spring and autumn, full sunlight maintenance in winter, shade nets are needed in summer to prevent leaf sunburn, and after flowering, it can be moved to the north balcony to extend the flowering period Fertilization: Apply thin liquid fertilizer every half month. During the growth period, alternate the use of nitrogen phosphorus potassium balanced fertilizer and phosphorus potassium fertilizer to promote growth and flowering. Color Adjustment (Blue Adjustment Techniques) Principle: Hydrangea flowers will change color when exposed to acid and alkali, pink flowers will bloom on alkaline soil, and blue purple flowers will bloom on acidic soil. Method: Before the formation of flower buds, apply aluminum sulfate fertilizer every week or sprinkle a thin layer of blue-green agent on the soil surface. Attention: The concentration of acidic substances should not be too high to avoid affecting normal growth. other purposes Blue hydrangeas are commonly used in floral design and serve as a fashionable element in bar soft furnishings. Paired with lighting effects, they create a lively atmosphere and are a popular choice for modern space decoration. Attention: The entire hydrangea plant contains toxins and should not be consumed. Ingestion may cause symptoms such as abdominal pain and vomiting, and in severe cases, coma may occur.