Seed Coat Color

Seed coat color—the visible pigmentation of a cannabis seed's outer layer—ranges from light tan and cream to dark brown and near-black. This phenotypic trait is primarily determined by genetics, though environmental factors during seed development can influence final appearance. Breeders often observe seed coat coloration as a quick visual marker for viability and genetic stability within a line. Darker seeds are commonly associated with fuller maturation at harvest, while very pale seeds may indicate immature development. Seed coat color itself doesn't directly correlate with cannabinoid or terpene profiles, but breeders working in preservation and line stabilization frequently track it as a secondary phenotypic indicator alongside other traits.

Breeders use seed coat color as a non-invasive phenotypic marker to assess seed maturity, genetic consistency across generations, and batch quality. Consistent coloration within a seed lot can signal successful pollination timing and uniform ripening conditions during seed production.