Cannabis aroma is often one of the first characteristics people notice, yet it’s not driven by cannabinoids alone. Terpenes play a central role in shaping how cannabis smells and how its overall profile is perceived.
What Are Terpenes?
Terpenes are naturally occurring aromatic compounds found in many plants, including cannabis. They are responsible for scents such as citrus, pine, floral, and earthy notes. In cannabis, terpene profiles vary widely between cultivars.
Why Aroma Differs Between Products
Two cannabis products with similar cannabinoid levels can smell and feel very different due to their terpene composition. These compounds contribute to the character of each product, influencing how it is experienced without altering potency.
Terpenes and Environmental Sensitivity
Terpenes are delicate and can degrade when exposed to light, air, or heat. Scientific research on terpene stability, including this review of terpene behavior in plant compounds , shows how easily aroma profiles can change over time.
Why Storage Affects Terpene Retention
Storage conditions play a major role in preserving terpene content. Airtight containers, limited light exposure, and stable temperatures help slow aromatic loss and maintain consistency.
Understanding Aroma Over Time
As cannabis ages, terpene levels may gradually diminish, altering aroma even if the product remains usable. This process is closely connected to shelf life, which we explain further in our guide on how cannabis shelf life changes over time .
Terpenes help define the sensory identity of cannabis. Recognizing their role provides clearer insight into why products differ and how time and handling influence aroma.