What Is a Tree Nut Allergy? Tree nut allergies are when your body’s immune system overreacts to proteins found in nuts that grow on trees, such as almonds, cashews, and walnuts. Your immune system ...

Purdue Extension forester Lenny Farlee shares about the pecan, one of Indiana’s native hickories. Learn how to identify this species by more than just its nut production.

In this edition of ID That Tree, meet another member of the hickory family that can found in upland areas, the pignut hickory. This species is identifiable by its five-leaflet compound leaves, its ...

New tree nut reference materials provided by the National Institute of Standards and Technology (NIST) can help food producers better label products for potential allergens. The standards for almonds ...