Sky Tower Ginkgo


Sky Tower Ginkgo (Ginkgo biloba 'JN9')
Sky Tower Ginkgo (Ginkgo biloba 'JN9') is a fastigiate, narrow-growing cultivar known for its striking upright form, bright green fan-shaped leaves, and brilliant golden-yellow fall color. This male cultivar is ideal for urban landscapes, streetscapes, and formal gardens where a strong vertical presence and low maintenance are desired.
Distinctive Features
'JN9' grows 40 to 50 feet tall with a narrow spread of 10 to 15 feet, forming a dense, columnar canopy. The vibrant green foliage turns golden-yellow in autumn, providing stunning seasonal interest. As a fruitless male selection, it avoids the mess associated with seed production, making it suitable for residential and commercial settings.
Growing Conditions
- Sun Exposure: Full sun to partial shade
- Soil: Adaptable to a wide range of well-drained soils
- Water: Moderate; drought tolerant once established
- USDA Hardiness Zones: 4�9
Ideal Uses
- Focal Point: Narrow, upright form creates a strong vertical accent
- Street Tree: Perfect for sidewalks, medians, and narrow planting strips
- Urban Landscapes: Tolerant of pollution, salt, and compacted soils
- Formal Gardens: Complements structured designs and allees
- Specimen Tree: Adds architectural interest with minimal upkeep
Low Maintenance Care
- Watering: Water regularly during establishment; minimal watering afterward
- Pruning: Minimal pruning required; remove dead or crossing branches as necessary
- Fertilizing: Apply balanced fertilizer in early spring if needed
- Mulching: Mulch to conserve moisture and moderate soil temperature
- Protection: Tolerant of urban stresses including drought and pollution
Why Choose Sky Tower Ginkgo?
- Strong Vertical Form: Provides architectural presence in tight spaces
- Bright Fall Color: Vivid golden-yellow foliage enhances autumn landscapes
- Fruitless Male: Clean, low-maintenance option for urban and residential use
- Urban Tough: Performs well in city environments and challenging sites
- Focal Point: Elegant, columnar tree for modern landscape designs
Ginkgo biloba 'JN9' (Sky Tower) combines refined structure, vibrant seasonal color, and easy maintenance, making it an excellent choice for planners and gardeners seeking a distinctive shade tree with vertical impact.

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