How to make sweet-scented osmanthus trees bloom?

How to make sweet-scented osmanthus trees bloom? Is there any effective way that sweet-scented osmanthus does not blossom. The reason is too much nitrogen fertilizer, insufficient phosphorus and potassium fertilizer and lack of micro-clothing elements; secondly, lack of light; third, unreasonable pruning. The above is also a common problem of potted sweet-scented osmanthus in the north. At present, it is the stage of flower bud formation, and phosphorus, potassium fertilizer and trace elements should be applied immediately. Methods: spraying foliar and potted soil with 0.5-1.0 aqueous solution of calcium superphosphate, or spraying with the same concentration of potassium dihydrogen phosphate once every 7-10 days. In the future, look at the leaf color set the time, color thick late application, less, light color diligent, more. The second is the treatment of basin soil, which can remove one layer of basin soil so as not to hurt the root (or hurt the root less), and then use earthworm manure to add a small amount of rotten leaf soil (or coal ash cinder), and mixed with dozens of nitrogen, phosphorus and potassium compound fertilizer. The aim is to supplement available nutrients and trace elements, and to keep the basin soil loose and ventilated. Third, you can go to the florist to buy flower fertilizer with less nitrogen and more phosphorus, potassium and trace elements, and use it according to the requirements of promoting flowers. Your flowerpot should be moved to a place with sufficient light and good ventilation. In this way, it is expected to bloom this year. Click to get more sweet-scented osmanthus planting techniques