This video explains how to force flower bulbs to bloom. The instructor first takes a pot and fills the bottom of it with gravel, which then the bulbs are placed right on top of the set gravel. The rest of the bowl is filled with polished show rocks mid way up the bulb to set them properly inside the pot so they are unable to move freely. The instructor then explains that using the gravel and rock filling forces the bulbs to bloom faster then with standard potting soil. The instructor explains that normal soil can be used but will not yield any true flowering benefits.