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Cutleaf Black Walnut

Juglans nigra 'Laciniata'

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Cutleaf Black Walnut (Juglans nigra 'Laciniata') at A Very Successful Garden Center

Cutleaf Black Walnut foliage

Cutleaf Black Walnut foliage

(Photo courtesy of NetPS Plant Finder)

Height:  70 feet

Spread:  60 feet

Sunlight:  full sun 

Hardiness Zone:  4a

Description:

A massive ornamental shade tree, best reserved for large landscapes and parks; finely cut compound leaves give a delicate, ferny texture, walnuts are edible and very tasty but hard to crack, attract squirrels, can be somewhat messy; wood is highly prized

Edible Qualities

Cutleaf Black Walnut is a large tree that is typically grown for its edible qualities. It produces large brown oblong nuts in hard shells which are usually ready for picking from early to late fall. The nuts have a sweet taste and an oily texture.

The nuts are most often used in the following ways:

  • Fresh Eating
  • Baking

Features & Attributes

Cutleaf Black Walnut has dark green foliage throughout the season. The deeply cut ferny pinnately compound leaves turn yellow in fall. The flowers are not ornamentally significant. It produces brown nuts in late fall. The fruit can be messy if allowed to drop on the lawn or walkways, and may require occasional clean-up.

This is an open deciduous tree with a more or less rounded form. Its relatively fine texture sets it apart from other landscape plants with less refined foliage. This plant will require occasional maintenance and upkeep, and is best pruned in late winter once the threat of extreme cold has passed. It is a good choice for attracting squirrels to your yard. It has no significant negative characteristics.

Aside from its primary use as an edible, Cutleaf Black Walnut is sutiable for the following landscape applications;

  • Shade
  • Orchard/Edible Landscaping

Planting & Growing

Cutleaf Black Walnut will grow to be about 70 feet tall at maturity, with a spread of 60 feet. It has a high canopy of foliage that sits well above the ground, and should not be planted underneath power lines. As it matures, the lower branches of this tree can be strategically removed to create a high enough canopy to support unobstructed human traffic underneath. It grows at a fast rate, and under ideal conditions can be expected to live to a ripe old age of 120 years or more; think of this as a heritage tree for future generations!

This tree is typically grown in a designated area of the yard because of its mature size and spread. It should only be grown in full sunlight. It is very adaptable to both dry and moist locations, and should do just fine under average home landscape conditions. It is not particular as to soil pH, but grows best in rich soils. It is highly tolerant of urban pollution and will even thrive in inner city environments. This is a selection of a native North American species.

 
 
Hardiness Zone Plant Height Minimum Sunlight
Characteristics
Shade  Orchard 
Applications
Fruit  Texture  Attracts Wildlife 
Ornamental Features