Trees for Tennessee Landscapes - Choosing the Right Tree
Landscaping in a small area is challenging, but popular. Planting trees in small areas can limit root and shoot development. Proper selection of plant material for small areas is important to ensure a healthy environment for the plant. Sidewalks, patios, decks, entrances, courtyards and other small areas can be landscaped with the use of containers or wells with restricted soil area.
"SP532 Trees to Plant In Containers or Wells," The University of Tennessee Agricultural Extension Service, SP 532-15M-3/99 R12-4910-17-001-00, http://trace.tennessee.edu/utk_agexfores/54