Digital media art design is an important development direction in the field of contemporary art creation. By leveraging digital technologies, it has achieved the digitization, intelligence, and interactivity of artistic creation. This study combines virtual reality (VR) technology with digital media art design to construct a VR-based digital media art design system. It introduces an improved gesture interaction recognition method using Leap Motion to implement interactive functions within virtual scenes. A gesture library for landscape interaction was designed, achieving an average gesture recognition accuracy rate of 97.93%, outperforming the gesture recognition method built into Leap Motion in terms of recognition speed and accuracy. In experiments on digital art design for gardens, the user experience was satisfactory, enabling users to select plants and construct garden landscapes using gesture interaction within virtual scenes. The gesture set generated by the system designed in this study is intuitive, easy to execute, and memorable, effectively completing design tasks and contributing to improving the interaction methods and user experience in landscape layout design
