Sunflower seeds are rich in a variety of nutrients and minerals, which help aid in supporting a healthy nervous system. They also contain trace minerals, which act as an antioxidant. Sunflowers are not only good for you, but also your garden.
 
In addition to attracting a variety of insects and pollinators, its strong root system when left to die, breaks down adding organic matter to the soil while increasing its ability to hold water. It has also been said that another big advantage to having sunflowers in your garden, is that it removes toxins from the soil. Sunflowers are said to remove heavy metals, chemical fertiliser and other unwanted toxin, perfect for an organic gardener.