Lexington, Kentucky University Of Kentucky Arboretum The Arboretum simulates Kentucky’s seven regional landscapes: Bluegrass, Knobs, Appalachian Plateaus, Cumberland Mountains, Mississippian Plateaus and Outer Nashville Basin (Pennyroyal), Shawnee Hills, Mississippian Embayment and Alluvial Basin (Jackson Purchase). Includes a Home Demonstration Garden, Vegetable Garden,