Tag Archives: USDA

The Hazy Terrain: Understanding the Complexities of cannabis or hemp Classification

cannabis or hemp, marijuana, strains, history

What is a hemp plant?   Cannabis with a THC level of 0.3 percent or less by dry weight is referred to as “hemp.” What makes 0.3 percent? In 1979, a book titled “The Species Problem in Cannabis: Science & Semantics” made the initial proposal for this definition. Author Ernest Small discusses in the book how it’s challenging to differentiate between […]