S. ringens grows in the mountain areas of Macedonia, Epirus and central Greece, from 500 to 1900 m altitude. It forms a small basal clump and during summer it produces long flowering stems, with big violet flowers. The species has the capacity to tolerate cold.
S. tomentosa grows in eastern Macedonia, Thrace and the islands of the northeast Aegean. The size of the plant varies greatly, as well as the color of the flowers, from white, to violet. The flowering period is particularly long and the species has the capacity to tolerate drought and cold and can adapt to wet
S. pomifera grows from sea level to 500 m and has two subspecies: S. pomifera ssp. pomífera, with bright pink and violet flowers, that grows in Crete and south Peloponnese and S. pomifera ssp. calycina, with pale pink flowers, that grows in north Peloponnese and the Aegean.
S. officinalis grows along the mountain range of Pindos and on Corfu island. It is cultivated around the world for medicinal, culinary and ornamental purposes
S. fruticosa grows along coastal areas, from sea level to 700 m, in central Greece, the Peloponnese and the islands. It flowers abundantly early during spring, with white to pink flowers and it shows great adaptability to drought.