During a Å·ÃÀ¿Ú±¬ÊÓƵ summer, you’ll likely spot vibrant yellow sunflowers growing wherever they can. In the state’s dry, nutrient-deficient soil, Å·ÃÀ¿Ú±¬ÊÓƵ Boulder researchers and others aim to learn if the crop can survive and even thrive in a hotter, drier future.