‘Princeton Sentry’ columnar ginkgo Ginkgo biloba 'Princeton Sentry' Type:trees — ornamental Notable Traits:low-maintenanceresistant: deerresistant: rabbittolerates harsh roadside conditions Hardiness:Zone 3 – 8 Mature Height:15-20ft Light:sun or shade Water:drought tolerant once establishedrequires regular watering Foliage:green Description A dense, upright, slow-growing ginkgo that reaches 15’–20’ tall and 8’–12’ feet wide. Rich green summer foliage gives way to golden yellow in fall. Hardy to zone 5.