Pipe succulents. Prepare decorating bag with coupler and dark green icing. Using tip 12, pipe mound on flower nail prepared with pre-cut wax square, about 3/8 in. high.
Switch to tip 104. Using Desert Rose Flower technique, pipe 12 to 14 succulents.
Switch to tip 61. On wax paper-covered flower nail, pipe 12 to 14 stacked petal succulents using the Stacked Petal technique. Reserve remaining icing in bag for later step.
Freeze all flowers, at least 2 hours.