A variability of the reproductive capacity of Lonicera caerulea has been studied in its natural pop ulation in the Altai Mountains (Kamenny Belok Ridge). The study was carried out in a local area of geological heterogeneity that had been selected as a result of geological and geophysical surveys. The significant influ ence of a nondifferentiated complex of geoecological factors within the given area on the weight of fruits, as well as their seed production, germinating capacity, and germination readiness in the sweet berry honey suckle, has been revealed. It has been assumed that a change in the secondary metabolism in L. caerulea, which occurs under the influence of a complex of factors related to the geological activity, has an impact on the reproductive activity of the plants.