Grow zinnia-dahlia flowers in a fluted goldenrod-yellow planter with Modern Sprout’s cute, clean and easy garden kit. Using a hydroponic system that requires no drainage, this flower kit includes an immersion pot, lava rock growing medium, non-GMO seeds and plant food – you’ll only need water and a sunny windowsill. A rewarding gift for flower lovers, this grow kit takes multi-petal dahlias from seed to colorful bloom in a chic reusable planter.