One small Blue Mushroom was purchased in March. It has divided 3 times. I have also made 3 cuttings. After the math, I now have 6 Blue Mushrooms. When the mushroom starts to pull away form it's original spot, is when you want to make your cutting. Take a razor blade and cut the piece that has detached into two. The best time to do this is when the mushroom and the new piece is only connected by a narrow piece of the mushroom.