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| Ginkgo biloba 'PNI 2720' (Princeton Sentry®) Princeton Sentry® ginkgoThis selection is both columnar and male, eliminating the concern about "fruit" production in the landscape. Princeton Sentry is the trademarked name for the cultivar 'PNI 2720'.| Habit: | Columnar with a straight central leader, somewhat less formal than 'Fastigiata' | | Size: | 50 to 70' high | | Color: | Bright green in summer, good yellow fall color | | Texture: | Medium in leaf and medium-coarse in winter | | Hardiness: | Zone 4b USDA | |
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