Plant Hardiness ZonesPlant Hardiness Zones are geographic areas defined by the average annual extreme minimum temperature. The zones help gardeners and horticulturists to determine which plants are most likely to thrive in their particular region.
Sunflower seeds are a great source of vitamin E, which is an antioxidant that helps protect the body from free radicals. They are also a good source of protein, fiber, and healthy fats. Mexican sunflower pictures: