This article explores the theoretical foundations of improving the investment climate attractiveness in the horticultural sector. It analyzes the key economic, institutional, and infrastructural factors that influence investors’ decisions to engage in horticultural production. The paper highlights the importance of creating a favorable investment environment through stable macroeconomic policies, efficient land-use systems, transparent legal frameworks, and access to modern agricultural technologies. Furthermore, the study emphasizes the role of innovation, digitalization, and international cooperation in increasing productivity and export potential in horticulture. The conclusions drawn contribute to forming an integrated approach toward sustainable development and competitiveness in the agrarian economy.