Black Walnut - Juglans nigra

Black Walnut, Juglans nigra

Few trees command a landscape with the authority of the Black Walnut. A towering, broad-canopied specimen with deep, furrowed bark and rich, pinnate foliage, it delivers presence, shade, and long-term value in equal measure. At advanced stock sizes, it arrives ready to anchor a property from day one.

Why Black Walnut

Canopy & Scale: A naturally large, spreading crown that delivers commanding shade and vertical mass across expansive landscapes.
Distinctive Character: Deep, ridged bark and architectural branch structure give this species a sculptural quality that matures beautifully with age.
Premium Timber Value: One of the most prized hardwoods in the world, a living asset with recognised commercial and aesthetic worth.
Deciduous Performance: Lush, dark-green foliage through spring and summer transitions to warm golden tones in autumn, providing year-round visual interest.
Longevity: A multi-generational tree, once established, it becomes a defining feature of a property for decades.

Ideal Applications

Estate & Rural Properties: A natural fit for large acreage where scale, gravitas, and long-term land value are priorities.
Landmark Planting: Position as a singular focal specimen in open lawns or at property entries for immediate visual authority.
Shade Canopy: Ideal for creating substantial, defined shade zones across residential or resort landscapes.
Windbreak & Shelter: Suited to perimeter planting on exposed rural or semi-rural projects requiring structure and seasonal protection.

Specimen & Installation

Spacing (feature/avenue): 12–18m
Planting Season: Winter to early spring (during dormancy)
Soil & Drainage: Deep, fertile, well-drained loamy soils with a slightly acidic to neutral pH; tolerates clay but dislikes waterlogging
Establishment Care: Water deeply and regularly for the first two to three years until fully established, particularly during dry periods. Avoid planting sensitive species nearby as roots produce juglone, a compound toxic to many plants.

Plant Details

Height: 18–30m
Width: 12–18m
Growth Rate: Moderate
Foliage: Deciduous
Light: Full sun
Native to: Eastern North America
Flower Colour: Insignificant