In the period from December 2018 to December 2019, a survey of the horticultural flora of home gardens in the Gacka Valley was conducted. The research area includes 40 private gardens, which were randomly selected, in different geographical localities of the Gacka Valley. The research determined: geographical origin of species, life forms, representation of deciduous and evergreen species, representation of domestic and foreign taxa, and ornamental and utilitarian properties. 133 plant species from 60 families were determined on the total investigated area. The most represented is the family Rosaceae (12.78%), followed by the family Asteraceae (8.27%), followed by the family Lamiaceae (6.77%), the family Brassicaceae (6.02%), while the families Alliaceae, Apiaceae and Solanaceae make up 3 , 76%. With regard to life form, shrubs predominate (30.83%), followed by perennials (24.81%), annual plants (19.55%), then trees (14.29), biennials (8.27%), climbers (1.5%) and finally succulent (0.75%). Evergreen species are more represented (61%). Among domestic and foreign species, species of foreign (autochthonous) origin dominate (58.65%), with neophytes being more numerous (69.23%). Species from the foreign component originate mostly from America (26.92%). Among ornamental and utilitarian species, ornamental species are more common (54.14%), with the most common being flower species (21.8), followed by flower species that have medicinal properties (17.29%), while the least represented are woody species with medicinal properties (2.26%). Utilitarian species make up 45.86%, of which the most common are fruit species with medicinal properties (15.04%), followed by vegetables (12.78%), and the least represented are flower species and flower species with medicinal properties (0.75 %).