Anthocyanin Pigmentation

Anthocyanins are water-soluble pigments responsible for red, purple, and blue coloration in cannabis flowers and leaves. These compounds are not terpenes in the strict aromatic sense, but rather flavonoid pigments often discussed alongside volatile terpene profiles in cannabis genetics literature. Anthocyanin expression is typically hereditary and influenced by temperature, light exposure, and soil pH during flowering. Strains with anthocyanin-rich phenotypes are commonly associated with Purple Kush and Grape lineages, where breeders have selectively maintained these visual traits across generations. The presence of anthocyanins does not alter the cannabinoid or primary terpene content, but serves as a visual marker of specific genetic backgrounds.

Breeders working in specialty cannabis genetics often select for anthocyanin-rich phenotypes as a stabilized marker trait in F1 and F2 generations. These pigmentation traits are useful for phenotype differentiation and marketing distinction, though they require stable environmental controls during cultivation to reliably express.