Trichome Distribution

Trichome distribution refers to the pattern and density of crystalline resin glands across cannabis plant surfaces—leaves, flowers, and stems. This trait is genetically influenced and varies significantly between cultivars, affecting both appearance and the concentration of cannabinoids and terpenes in harvested material. Distribution patterns range from sparse coverage on foliage to dense, glandular flower clusters. Breeders and cultivators document distribution characteristics as a morphological marker for strain identification and consistency. Understanding distribution helps distinguish between strain families and informs cultivation expectations for resin yield.

Breeders select for specific trichome distribution patterns to achieve desired potency profiles and visual consistency in commercial and heritage lines. Dense flower trichomes are commonly prioritized in breeding programs targeting cannabinoid concentration, while foliage trichome coverage can indicate broader resin production capacity.