Question, I've taken some cuttings from my large Hibiscus (unknown name, it's a large red flower) and placed them in a jar with some water and liquid root stimulator. The water is changed every week or so. Of course I can't remember how far back I did this but I believe it was early Jan. The leaves are still green on the cuttings but I haven't seen any roots yet. Am I doing this wrong or should I just give them more time?