The present study was conducted to observe the effects of Ferula communis L. ssp. comntunis on seed germination and seedling growth of barley and cucumber. Different concentrations of the extract showed inhibition in all parameters. The maximum reduction was recorded in the germination of barley (60 %) and a lowest vigor index noted when 50 percent leaf extract was applied. The maximum decrease in root (91.88 %) and shoot (82.46 %) length in the barley seedlings occurred in 50 percent flower extract. The maximum reduction in root fresh weight (80.28 %), dry weight (71.43 %) and shoot fresh weight (80.33 %) was found in 50 percent flower extract application and whole plant extract was responsible for 50 percent reduction in the shoot dry weight of barley seedlings. No germination in cucumber was observed in 50 percent flower extract application. The maximum reduction of germination rate (53 %) and vigor index in other groups was again around 50 percent with fruit extract application. The greatest reduction was recorded in root (62.16 %) and shoot (27.55 %) length, root fresh (75.86 %) and dry (36.59 %) weights, and shoot fresh (56.76 %) and dry (13.64 %) weights in cucumber seedlings after applying 50 percent leaf extract. Roots were more affected than shoots and the extracts taken from flowers and leaves were more suppressive as compared to the fruits and whole plant.