September 1-30, 2018. Sugar Cane to Cane Sugar. Longfellow-Evangeline State Historic Site provides an informative video, tour and display on one of Louisiana’s oldest cash crops, sugarcane. Learn how sugar was and is planted, harvested and granulated. Ask about the table top sugarcane grinder in use. 9am-5pm. Wed-Sun. Fees. 337-394-3754.