National Children & Youth Garden Symposium. Knoxville, TN. In partnership with University of Tennessee Institute of Agriculture and UT Gardens, NCYGS 2023 will be held in Knoxville, July 12 – 15. NCYGS is the longest running national event where garden educators (pre-K through 12th) convene to learn about current trends in nature-based education and share resources, best practices, and inspiring stories with peers across the country. Read more