About Juglans Nigra Trees: Juglans Nigra is a large, moderately growing, majestic tree. Prized for its wood veneer at maturity; used in fine cabinets, gunstocks, and furniture. Makes a wonderful shade tree, and when planted for a wood plantation, a long-term investment. Has moderate water requirements, and shows a moderate tolerance to salt and alkali soils. The Juglans Nigra will grow slower if exposed to droughty periods but is tolerant to drought.

Juglans Nigra picture

Juglans Nigra Tree Facts Common Name: Black Walnut Foliage: Dark Green Leaves Mature Height: 60-75 Feet Mature Spread: 50-60 Feet Soil: clay, loam Zones: 4-8 Moisture: moderate

It has massive, upright spreading, open branches and it will lose its lower branches toward maturity. The Juglans Nigra is a dependable producer of extra large crops for many years. The nuts are large and plump and crack out of the shell easily. The roots of the Juglans Nigra produce a substance known as juglone (5-hydroxy-alpha-napthaquinone). This biochemical is toxic to many plants such as the tomato, potato, black and blue berries, and other plants that may grow within a 50 to 60 foot radius of the trunk. Not all plants are sensitive to juglone and many trees, vines, shrubs, and flowers will thrive in close proximity to a Juglans Nigra tree.

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