Create a light up Groot plant! Grow two different plants that surround the potted Groot character. Then turn off the lights and enjoy Groot’s vibrant glow! (Glow-In-The-Dark) Guardians of Galaxy Grow and Glow Groot includes one glow in the dark Groot in pot, a bag of sprout seeds, a bag of vine seeds, a bag of growing medium, and an educational poster with instructions. He is Groot! Groot is approximately 18 cm tall.