In a high powered blender mix the spinach, milk, juice, pineapple, mango, and banana until smooth.
Divide and pour into 8 popsicle molds with sliced fruit (kiwi, strawberries, and blueberries or whatever you have on hand).
Stir together the Greek yogurt and milk. Top the green layer with the white yogurt layer. Sprinkle with granola if using.
Freeze 8 hours until solid.