1. Adequate sunshine: The growth of Hibiscus rosa-sinensis can not be separated from the sunshine. Only by keeping the sunshine for a long time can the growth be vigorous.Lack of sunlight will lead to poor growth and weak plants.In the three seasons of spring, autumn and winter, we should see more sunshine and bask in the sun, and even provide full sunshine in winter.The sunshine of summer is more intense, should raise in shady and cool place, see astigmatism only OK.
2. Appropriate watering: Hibiscus rosa-sinensis does not require high water content, but in order to ensure growth, it needs to be watered in time during the growth period to keep the potting soil moist.In summer, the temperature is relatively high and the evaporation rate is very fast, so it can be watered for about three days.In winter, it does not need too much watering to keep the potting soil dry.
3. Reasonable fertilization: In the growth stage, it should be reasonably fertilized, nitrogen, phosphorus and potassium compound fertilizer can be used, and attention should be paid to the provision of various nutrient elements.Before flowering, we should reduce the use of nitrogen fertilizer and apply more phosphorus and potassium fertilizer.Before entering winter, topdressing can be applied once to enhance the cold resistance of plants.
4. Suitable soil: When maintaining potted plants, the soil should be provided well, and the soil quality should be loose, ventilated, drained and nutritious.
The suitable temperature for the growth of Hibiscus rosa-sinensis is about 15-25 , pay attention to control the temperature, move to a cool place in summer and move to a warm room in winter.