Perennial sub-shrub of the Lamiaceae family, this subspecies is endemic to the Illyrian regions, mainly the Dalmatian coast and the karstic massifs of Croatia, Bosnia-Herzegovina, and Montenegro. It occupies limestone screes, open garrigues, and very sunny rocky slopes, in a warm and contrasting climate.
It forms a compact and rounded bush, 15 to 25 cm in height, denser and more compact than the type subspecies. The woody stems at the base bear persistent foliage of small, linear, dark green, and aromatic leaves, which form a tight and orderly backdrop.
It is the color of the flowers that immediately distinguishes this subspecies from Satureja montana subsp. montana, whose flowers are barely pinkish white. Here, the bilabiate flowers are a strong pink lilac, arranged in dense whorls on erect stems that completely cover the bush at anthesis. In its natural habitat, its flowering extends from July to September; in cultivation, it can begin as early as the end of June.
It requires perfectly drained soil, preferably limestone, in full sun exposure, and tolerates summer drought well. Its compactness and the generosity of its colorful flowering make it an ideal candidate for sunny rock gardens, walls, and drained containers.