What to do if the osmanthus is dropping its leaves
1. Reduce watering
Cause: overwatering, which causes root rot and leads to leaf drop.
Solution: place the osmanthus in a shady spot, mist it more and water it less, or even stop watering, until the osmanthus leaves return to their normal color and stop dropping.

2. Water appropriately
Cause: underwatering, which makes the soil too dry and causes leaf drop.
Solution: place the osmanthus in a shady spot, mist it appropriately more and water it less, and once the osmanthus stops dropping leaves and grows new leaves, you can return to normal care.
3. Provide shade and mist
Cause: the environment has become dry or is too dry, and the soil and air in the environment where the potted osmanthus is placed contain too little moisture.
Solution: provide the osmanthus with appropriate shade and misting to raise the humidity of the air environment.
4. Improve the soil
Cause: the potting soil is too alkaline or too sticky.
Solution: if it is too alkaline, water it with ferrous sulfate solution; if it is too sticky, loosen the soil more often, or adjust it by changing the soil.