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BLACK WALNUT

Product No. P02103

Also known as Juglans nigra, Eastern Black Walnut and American Walnut. The black walnut is a large, moderately growing, majestic tree, which reaches 60 – 75 feet at maturity. It is native to the United States, and prefers clay or loam soils. It has very large, upright spreading, open branches with dark green leaves, and loses its lower branches toward maturity.

The Black Walnut has been 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 black walnut produce a substance known as juglone (5-hydroxy-alpha-napthaquinone), which is toxic to many plants.

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