What season does osmanthus bloom?
As one of the top ten famous traditional flowers in China, osmanthus is deeply loved for its rich fragrance and unique flower shape. This article will systematically analyze the flowering rules and maintenance points of osmanthus osmanthus based on its botanical characteristics, helping you fully understand the mystery of this autumn aroma. Differences in sweet-scented osmanthus varieties and flowering time. The flowering characteristics of the main varieties are: Autumn flowering varieties such as Jingui, Yingui, and Dangui, which bloom in early September and early October, forming the grand scene of "Sanqiu Guizi." The aroma of golden osmanthus is the strongest, and the osmanthus color and orange-red color are the most ornamental. The uniqueness of Sijigui Sijigui has achieved year-round flowering through genetic improvement, but the number of flowers per time is only 1/3 of that of Qiugui, and the aroma concentration drops by about 40%. Its flowering cycle is 2-3 months per time, and special attention should be paid to nutrient supplementation. Strategy for lengthening the flowering period of osmanthus flowers Environmental factors regulate the average daily light for 6-8 hours, and the temperature is best maintained in the range of 18-25℃. Controlling the air humidity at 60-70% can extend the flowering period by 5-7 days. It is recommended to spray it in the morning and evening to increase humidity. Nutritional management plan Phosphorus and potassium fertilizers are applied at a ratio of 1:1 during the flower bud differentiation period (June to August), and the combination of decomposed bone meal + potassium dihydrogen phosphate is recommended. After buds appear, use 0.2% boric acid solution to foliar spray. Key technologies for flowering management. Regulation of light intensity. Full sunshine is required during the bud expansion period, and it turns to scattered light after flowering. Direct exposure to strong light for more than 4 hours will cause burns to petals. It is recommended to use a 50% sunshade net for protection. The key points of water control follow the principle of "seeing dry, seeing wet", and the soil water content is maintained at 30-40%. Excessive watering during flowering will increase the flower drop rate by more than 25%. The knuckle test method can be used to determine the humidity.
Through scientific management, the flowering period of Qiugui varieties can be extended to 45 days, and the cumulative flowering period of Sijigui reaches 200 days throughout the year. Master the characteristics of the variety and maintenance tips, so that the fragrance of cinnamon can linger in the living space more permanently.