Currently, I'm working for a local nursery and I am getting such an education in facets of gardening I never had exposure to before. Normally, I am primarily into edible plants but...

Anyway, my boss had a lot of baskets of wandering jew that needed trimming so that they would not be overgrown by sales time. He filled plastic pots used for hanging baskets with potting mix (peat, vermiculite and a wetting agent) and showed me how to make really full baskets quickly. He put stuck two cuttings into the center so that their stems crossed under the soil level. Then he put two more into the soil at the intersection of the first two. Next he added more cuttings until very little of the soil surface showed through but none that would cover the growing tip of its neighbors. About a week later, these cuttings had grown well above the soil surface and were on their way to being very beautiful plants with none of the plastic pot showing. He also plants begonia cuttings in a similar manner. Gorgeous! I'm sure none of us has that many cuttings for one plant but he's making his living with these baskets. I would guess that half or even as few as a third the number of cuttings would still make an admirable show.