GINKGO BILOBA - Maidenhair Tree - LEAVES ARE USED TO ENHANCE MEMORY - 4 - Year Tree POSSIBLY THE OLDEST SPECIES IN THE WORLD TODAY! THE LEAVES ARE USED TO ENHANCE MEMORY AND RELATED DISORDERS! SPECTACULAR GOLDEN FALL COLOR - GREAT FOR TRAINING INTO BONSAI! 4 - YEAR TREE Full sun - partial shade * Zones 4-8 * Mature height 100 FT tall * 40 FT wide