Ginkgo b. ‘JN9’ Sky Tower™ October 29, 2025 / Email Common Name: Sky Tower Ginkgo Size: 20' tall x 8' wide Fall Color: Golden-yellow Bloom: Insignificant Zone: 3 thru 8 Description A dense branching, columnar male ginkgo cultivar. More compact than Princeton Sentry®, Sky Tower™ tops out around 20' tall. Golden-yellow fall color. Related products Cornus kousa ‘Milky Way’ Acer palmatum ‘Osakazuki’ Cercidiphyllum j. ‘Hanna’s Heart®’ Cornus x ‘Rutdan’ Celestial®