The dormancy temperature of Sweet osmanthus is between 0 ℃ and 5 ℃. But now in winter, many cities are central heating, the indoor temperature is mostly about 15 degrees. At this temperature, osmanthus will break the dormancy, take out branches and leaves early, not only can't accumulate nutrients through dormancy, but also consume a lot of nutrients early, which leads to false prosperity. In spring, delicate branches and leaves can't stand the beating of cold, dry and crazy, and will soon wither and dry up. If the continuous 2-3 years, the whole osmanthus will die.
For families with courtyard, Sweet osmanthus can be placed in the sunny corner of the courtyard in winter. According to the size of the flowerpot, dig an earth pit, put the flowerpot in the earth pit, fill the soil flush with the flowerpot, set up a frame, and cover it with plastic film. No garden friends can put osmanthus on the balcony, the balcony and indoor air isolation, prevent heating into the balcony, depending on the natural temperature of the balcony, can meet the sleeping requirements of Osmanthus .
When spring comes, with the gradual rise of temperature, you can open the windows of the balcony to make the temperature of the balcony adapt to the outdoor warmth. When the average temperature reaches above zero, you can open all the windows on the balcony.
Prevention of dryness is an important part of keeping osmanthus. If the air is hot and dry and the ventilation is not smooth, it is very harmful to the growth and development of Sweet osmanthus. When opening windows and ventilating for family maintenance, air humidity must be increased. Water can be often sprayed around Sweet osmanthus or splashed on the ground to create a humid environment for Sweet osmanthus by natural evaporation of water.