Last updated August 8, 2026 What Are Terpenes? A Practical Guide to Cannabis and Hemp Aroma Terpenes are compounds made by many plants, including cannabis and hemp. Many are volatile and aromatic, helping create familiar citrus, pine, floral, herbal, earthy, and peppery notes. Plants can also use terpene compounds in defense, attraction, and signaling. In cannabis, terpenes are produced largely in glandular trichomes alongside can… Read more