Soil Mineral Notes

Soil mineral notes represent earthy aromatic compounds commonly found in cannabis cultivars, often attributed to terpenes like myrcene and caryophyllene alongside microbial volatile organic compounds from living soil. These aromas are frequently described as petrichor-like, reminiscent of wet earth, stone, or mineral deposits. Breeding lines originating from landrace cultivars in specific geographic regions—particularly mountainous or mineral-rich terroirs—often retain these characteristics across generations. The presence of soil mineral notes has become a marker of interest for breeders seeking to preserve heritage genetics or develop cultivars with complex flavor profiles. Such aromas typically emerge during both vegetative and flowering stages, influenced by substrate composition, microbial communities, and growing environment.

Breeders working with heritage and terroir-focused cultivars actively select for soil mineral notes as a distinguishing trait in F1 hybrids and stabilized lines. The trait is often considered alongside terpene ratios to understand how microbial activity and mineral uptake contribute to phytochemical expression.