Trees

Ginkgo biloba 'JN9'

Sky Tower ginkgo

Courtesy Missouri Botanical Garden PlantFinder

Sky Tower concentrates ginkgo's distinctive foliage into a compact, upright column. Leaves open bright green, deepen through summer and turn a clear yellow in autumn. This male selection avoids the fleshy seeds associated with female trees, while its comparatively narrow crown suits spaces that cannot accommodate a broad-growing ginkgo.

At a glance

Sun: Full sun
Size: Height: 15–20 ft · Width: 6–8 ft
Water: Average; well-drained soil
Hardiness: USDA 3–8

Sizes & prices

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Catalog updated September 8, 2026. This is not a live stock count; please call to confirm availability and price.

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Landscape use & tree form

Use: Ornamental specimen
Major issues: Usually few serious pest or disease problems; protect young bark from physical damage.
Fruit / litter: Male selection; no fleshy seed crop expected. Leaves fall in autumn.
Form: Narrow upright column
Growth rate: Compact selection; rate varies with conditions

Resistance & tolerances

Deer: Parent-species guidance: Some browsing resistance; not deer-proof. Protect young plants.
Drought: Parent-species guidance: Tolerates some drought after establishment; water during prolonged dry spells.
Wet soil: Parent-species guidance: Avoid waterlogged or poorly drained soil.
Heat: Parent-species guidance: Heat tolerant with suitable soil moisture.

Resistance is not a guarantee; deer and rabbits may browse any plant.

Seasonal interest

Foliage: Green to bright yellow; deciduous
Seed: Male selection

Growing & care

Soil: Moist, well-drained; brief dry periods tolerated; occasional wetness tolerated
Mulch: Protect the root zone without piling mulch against the trunk
Pruning: Prune sparingly to establish a sound framework; retain the dwarf or columnar cultivar's natural habit.

Sources & photo credits

New Blooms Nursery

University of Minnesota

NC State Extension

University of Minnesota Extension

Photo: Courtesy Missouri Botanical Garden PlantFinder · MBG PlantFinder public online-use grant; exact caption/direct link required

Reviewed September 22, 2026. Growing conditions vary by location.