Make flower border. Tint 14 oz. of fondant a darker shade of green. Use fondant roller with blue guide rings to roll out 1/16 in. thick. Use knife to cut out bands, 3 in. x 15 in., 3 in. x 18 in. and 3 in. x 34 in.
Use knife to cut each band from 3 in. wide to a 2 in. x 1 in. wide strip. Then, randomly cut one long edge jagged and mark with sharp pick from set on thin foam to create grass. Use brush and piping gel to attach bands around cake, leaving space where water meets next tier. Attach 2 in. high strip first and then 1 in high strip. Bend some blades of grass away from cake.
Tint 1 1/8 in. balls of fondant each orange, rose and yellow. Use gum paste flower cutter set to make medium and large blossoms according to set directions: orange, four large and five medium; rose, five large and four medium; yellow, three large and four medium.
Using a ball of white fondant, 3/4 in., make each blossom a 1/16 in. ball center for each blossom. Use damp brush to attach to blossom. Use brush and piping gel to attach blossoms randomly in grass.
Use brush and sapphire Pearl Dust/lemon extract mixture to paint water lines in waterfall and on some water bubbles.