
CautionEdible
Black walnut
Juglans nigra
Chambered pith, tennis-ball green husks, rich oily nuts. Hulls stain everything.
- Marks
- Chambered pith; lime-green husk; dark bark
- Size
- 70–100 ft
- Habitat
- Cove woods, fencerows, old home places.
- Season
- Nuts September–October.
- Frequency
- common
Long compound leaves, dark furrowed bark, and a chocolate-brown chambered pith in twigs. Husks are thick and lime-scented.
Uses
Premier eating nut (dry and cure 2–3 weeks). Dye and husk stain. Valuable timber. Do not compost husks near tomatoes — juglone.
If this is the one
Fresh hull juice stains skin for days and can blister some people.