Plant ID Pages

Plant ID Pages

Plant ID Pages

Hummingbird moth with bee balm blossom
Hummingbird moth with bee balm blossom

Black Walnut (Juglans Nigra)


Earthy, bold, unmistakable. The queen of wild nuts.


What It Is


Black walnut is a towering native tree recognized by its dark, deeply furrowed bark, citrus-scented green hulls, and rich, oily nuts. It grows throughout the eastern and midwestern U.S. and has long been valued for food, wood, dye, and traditional household uses. Everything about this tree is strong, from its flavor to its chemistry.


Earthy, bold, unmistakable. The queen of wild nuts.


What It Is


Black walnut is a towering native tree recognized by its dark, deeply furrowed bark, citrus-scented green hulls, and rich, oily nuts. It grows throughout the eastern and midwestern U.S. and has long been valued for food, wood, dye, and traditional household uses. Everything about this tree is strong, from its flavor to its chemistry.

Use It Like This

Nuts

Crack with heavy tools.

Use in cookies, cakes, breads, and ice creams.

Add to savory dishes for an earthy depth.

Sap

Tap in late winter for syrup making, much like maple.
Sap runs earlier and in smaller volumes, but produces a dark, complex syrup when reduced.
Often blended with maple or cooked alone for a bold, nutty finish.


Hulls

Used extensively for natural dye, wood stain, and ink making.
Produces rich browns ranging from warm tan to near-black.
Hull dye was historically used for textiles, leather, paper, and writing ink.


Leaves & Wood

Traditionally used as a vermifuge in folk and historical herbal practice.
Referenced in early American and European materia medica as a cleansing bitter for internal parasites.
This use is historical and educational, not a recommendation for modern self-treatment.
Documented in sources such as King’s American Dispensatory (1898) and historical Eclectic and Thomsonian herbals.
Wood is highly prized for carving, furniture, and gunstocks.

Tip: The stain is powerful. Wear gloves.

Harvest Notes

  • Collect nuts in fall when hulls soften and begin to break down.

  • Remove hulls outdoors to avoid staining surfaces.

  • Cure nuts before cracking to improve flavor.

  • Wear gloves when handling hulls and leaves.

  • Avoid harvesting from chemically treated areas.

    Wild Pantry Snapshot


Black walnut is bold, messy, and deeply rewarding. From syrup and nuts to ink and dye, it earns its place as one of the most multifunctional trees in the wild pantry.

Students identifying and sorting edible wild plants as part of a foraging certification course.
Students identifying and sorting edible wild plants as part of a foraging certification course.
Students identifying and sorting edible wild plants as part of a foraging certification course.
Fresh wild greens and berries in a wooden bowl, representing the hands-on results of Foraging Academy’s certification classes.
Fresh wild greens and berries in a wooden bowl, representing the hands-on results of Foraging Academy’s certification classes.
Fresh wild greens and berries in a wooden bowl, representing the hands-on results of Foraging Academy’s certification classes.
Group of students processing acorns together during a foraging class, representing shared learning and scholarship.
Group of students processing acorns together during a foraging class, representing shared learning and scholarship.
Group of students processing acorns together during a foraging class, representing shared learning and scholarship.