The urban residents living in the building have great difficulty in raising osmanthus, mainly because the growth environment and conditions have changed a lot since the osmanthus was transplanted from the original place to the city. Therefore, it is necessary to take necessary measures to cultivate and manage the sweet-scented osmanthus to create a suitable microclimate for the normal growth and development of hanging flowers. In general: winter high temperature, summer anti-dry.
The temperature required for the normal dormancy of Osmanthus fragrans is between 0 °C and 5 °C. Below 0 °C, sweet-scented osmanthus may be damaged by freezing, and the buds of Osmanthus fragrans above 5 °C will germinate and germinate. Nowadays, urban buildings generally use central heating, and most of the room temperature is above 15 °C. Under such temperature conditions, sweet-scented osmanthus will break the normal dormancy period, and early branching and spreading, not only can not accumulate sufficient nutrients through normal dormancy, but also consumes a large amount of nutrients in the body prematurely, showing false prosperity and prosperity. After the spring osmanthus leaves the room, the delicate branches and leaves can not withstand the cold and dry wind, and soon will be wilting and dry. If it is 2 to 3 years in a row, the whole osmanthus will die.
For those who live on the first floor and have gardens, it is best not to put osmanthus on the balcony or in the room in winter. Because the room temperature is too high, it is not conducive to the dormancy of sweet-scented osmanthus, although the temperature of the balcony is lower, but its height is not easy to control, the temperature is high and low, which is not good for the dormancy of sweet-scented osmanthus. You can dig a pit in the corner of the courtyard, depending on the size of the flower pot, put the flower pot in, fill the soil with the flower pot, or bury the pot with soil, cover it, and cover it with plastic film.
Osmanthus fragrans who live on the second floor and above should put osmanthus on the balcony in winter and create a suitable environment for sweet-scented osmanthus. The specific method is: seal the balcony with aluminum alloy glass window to avoid intrusion of cold air. At the same time, use the glass window and the door to separate the balcony from the indoor to prevent the heating from entering. The natural temperature of the balcony can meet the requirements of osmanthus dormancy. In the cold northeast region, when the balcony temperature is below 0 °C, you can slightly open the doors and windows, put a small amount of heating, so that the temperature of the balcony is kept between 0 °C and 5 °C, the sweet-scented osmanthus can safely overwinter. In spring, as the temperature rises, the window of the balcony should be gradually opened, so that the temperature inside the balcony slowly adapts to the temperature outside. When the average temperature reaches above 0 °C, the balcony window can be fully opened. Be careful not to worry too fast to open the window, so as to avoid the injury of sweet-scented osmanthus.
In summer, preventing drying is an important part of the management of sweet-scented osmanthus. The balcony air is hot and dry, and the ventilation is not smooth, which is very unfavorable to the growth and development of sweet-scented osmanthus. Osmanthus fragrans is native in China's humid, humid, well-ventilated natural environment. Therefore, it is necessary to create a suitable environment for it, and open the doors and windows of the balcony as much as possible to maintain air circulation. At the same time, to increase the humidity of the air, you can lay a layer of bricks on the floor of the balcony or a mat that can absorb water, put the osmanthus on it, often splash water on the mat to make it fully absorb water, rely on moisture The natural evaporation creates a moist environment for sweet-scented osmanthus. In addition, in the hot summer, water should be sprayed on the leaves of sweet-scented osmanthus at any time, which can reduce the temperature of osmanthus fragrans, wash the dust on the leaves of sweet-scented osmanthus, and meet the requirements of sweet-scented osmanthus.
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