How long can the cuttings of osmanthus fragrans take root?

If you cut Osmunda japonica, treat its branches with rooting water. And after cutting, put it in a warm environment and spray water on it in time, then it only takes 15-20 days to take root smoothly. However, if its branches are not treated with rooting water during cutting and are not placed in a suitable environment after cutting, it will take more than a month to take root.