American ivy (AS) is one of the most used garden ornamental plants today. It gives a visual feast of green leaves, purple fruits and reddish branches and gardens. In this study, the dyeing properties of American ivy were investigated on the woolen fabrics. Purple fruits, leaves and plant body of AS were used in the study. These parts were collected in the fall and separately dried, then milled and powdered and then used as a dye source in the dyeing of woolen fabrics pre-mordanted with KAl(SO4)2.12H2O, CuSO4.5H2O, FeSO4.7H2O, SnCl2.2H2O and K2Cr2O7 . After dyeing, CIE L* a* b* and K/S color values of woolen fabrics were examined and color investigate were determined. Also, various color fastness tests of dyed woolen fabrics have been made. At the end of the obtained data it was seen that AS plant could be a natural dyestuff which can dye wool based textile materials.