The article describes the resources of underground phytomass Inula grandis in the southern part of Uzbekistan. The soil type of the studied areas refers to mountain-crushed (Lithosols) soils. The optimum location for soil types and altitude above sea level is mountainous-crushed soils at altitudes of 1300-1500 m altitudes above sea level. The phytocoenotic optimum is distributed among the herb-shrub-juniper community. The yield of underground phytomass in the Kashkadarya region averages 261.2 kg/ha and in the Surkhandarya region, 236.3 kg/ha. The volume of possible annual harvesting in the Kashkadarya region is 1.24 tons from 7.0 ha of resource areas. These indicators were recorded in the Surkhandarya region: 3.92 tons from 25.0 ha of areas of resource significance.