Sunflowers are fascinating for so many reasons. They are one of the fastest growing plants and can grow 8-12 feet tall in six months! The flower head tracks the movement of the sun, and are known for attracting birds to them. In fact, the seeds are used to make bird seed, snacks, and oil. Now you can start and grow your own sensational Sunflowers. Simply start them in the greenhouse and transplant them outside. Safe for ages 4 and up, retails for $9.99!