Trees

Black walnut

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Exposure
Sun
Hardiness
Zone 4–8

Discover the plant

Common nameBlack Walnut
FamilyJuglandaceae
TypeLeafy
Botanical nameBlack walnut

Juglans nigra is an imposing and majestic ornamental tree, better known as the black walnut, valued for its rich green foliage that creates dense, structured shade, ideal for large gardens, parks, or open landscaped areas. Its rounded, spreading silhouette provides a balanced and elegant presence, while its edible (hard-shelled) nuts offer an additional point of interest for harvesters. In autumn, the foliage turns warm yellow hues, adding a colorful dimension to the colder season. Very hardy and robust, this tree prefers a sunny to semi-shady exposure and fertile, deep, well-drained soil to fully develop its potential. Juglans nigra combines dark foliage, imposing structure, and practical use, making it an excellent choice for any large landscape planting.

Black walnut

Soil and care

The right care,at the right time.

Minimum temperature

-34°C

Watering

Low to medium

Soil type

Fertile, deep, and well-drained

Fertilization

Balanced spring salad

Bloom and dimensions

Its place,in your garden.

Mature height

20 m (66 ft)

Width / spread

18 m (60 ft)

Flower color

Subtle green (spring)

Foliage color

Rich green ? warm yellow (autumn)

Foliage type

Obsolete

Growth rate

Slow to medium

Bloom period

May

Fruiting

Edible hard-shelled nuts

Wildlife and pets

Life,around your plants.

Supporting wildlife

Yes