Sunflowers originated in North America and have been cultivated for thousands of years by Native American populations. There is evidence that sunflowers were domesticated as early as 2500 BC in what is now central Mexico. Spanish explorers first brought sunflower seeds back to Europe in the early 16th century. Since then, sunflowers have been extensively hybridized to produce the wide... https://dailynewsmotion.weebly.com/future-tech-forum/growing-gorgeous-ornamental-sunflower-for-your-garden