Short Internodes

Short internodes—the compressed spacing between leaf nodes along a plant's stem—represent a structural trait rather than a terpene, though the distinction is important in cannabis genetics education. This phenotype is commonly associated with indica-dominant lineages and compact plant architecture, in contrast to the elongated internodes often observed in sativa-leaning varieties. Breeders working in this category have selected for short-internode expression to facilitate indoor cultivation, reduce overall plant height, and improve canopy management. The trait appears across multiple genetic backgrounds and is frequently retained through selective breeding programs targeting efficiency and space optimization.

Short-internode phenotypes are highly valued in commercial breeding for their compatibility with confined growing environments and their potential to increase flower-site density per unit height. Growers and breeders often cross short-internode lines to create cultivars suited to vertical farming, tent cultivation, and SOG (sea of green) production methods.