Print this fact sheet by N. Tisserat* (6/12) Quick Facts… Ascochyta leaf blight has become a common problem on Kentucky bluegrass lawns in Colorado. Large uniform areas of affected turf will turn straw-colored. Leaves usually start dying back from the tips. Ascochyta can occur throughout the growing season, but is more prevalent in the spring … Continue reading Ascochyta Leaf Blight of Turf – 2.901