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  1. Walnut - Wikipedia

    The three species of walnuts most commonly grown for their seeds are the Persian (or English) walnut (J. regia), originating from Iran, the black walnut (J. nigra) – native to eastern North America – and …

  2. Walnut Trees Identification Guide (With Pictures): Leaves, Bark, Types

    Jul 19, 2023 · Walnut trees are large deciduous trees with a rounded canopy of green, lush foliage. Most walnut trees have dark, ridged bark, pinnate feather-like leaves, and globular drupes that contain a …

  3. Black Walnut Trees: Facts, Juglone Effects, and How to Harvest Walnuts

    Sep 3, 2025 · The black walnut tree (Juglans nigra) is one of North America’s most valuable and beautiful native trees, but it does have a “dark side.” Here’s what you should know before planting a …

  4. 11 Species of Walnut Trees for North American Landscapes

    Oct 7, 2024 · Walnut trees can provide beauty and edible nuts, but they may be harmful to surrounding plants. Here's everything to know about 11 common walnut tree species.

  5. 19 Types of Walnut Trees (Pictures and Leaves Identification)

    Sep 29, 2024 · In this article, we will explore 19 types of walnut trees, complete with pictures and identification tips to help you distinguish between the different varieties.

  6. Walnut | Tree, Nut, Species, Uses, & Facts | Britannica

    Nov 5, 2025 · Walnut, genus of about 20 species of deciduous trees of the family Juglandaceae, native to North and South America, southern Europe, Asia, and the West Indies. Several species are …

  7. Walnut Woods State Park | Department of Natural Resources

    Walnut Woods State Park is a tranquil destination for anyone seeking the outdoors not far from the state’s capital city. The park is home to Iowa’s largest stand of black walnut trees, with one of the …

  8. 17 Most Common Walnut Tree Types (with Pictures to Identify)

    Each type of walnut tree has distinctive features, such as the size and shape of its leaves, bark, and fruits. To make identification easier, this article will provide pictures and handy tips to help you …

  9. How to Plant, Grow, & Care for Walnut Tree (Complete Guide)

    Oct 28, 2023 · Learn the best practices to grow and care for a walnut tree. Our full guide covers everything you need to grow & harvest your own walnuts.

  10. Black Walnut - Missouri Department of Conservation

    Black walnut is a large tree with a straight trunk and rounded, open crown. The nuts, spicy odor, large feather-compound leaves, and chambered pith in the twigs help identify it.