Research focuses on harmonization of landscape aesthetics and ecology as planning tool for sustainable landscape development. Research background developed from concept of initial wild landscape as sustainable environment where aesthetics and ecology were in harmony, and feedback establishment for reaching this harmony again. Different landscape transformations from natural to the artificial landscape have been occurred in correlation with understanding of landscape aesthetics and ecology caused by human perception, economical activities, trends, politics and the lifestyle of the definite time period. Assuming that initial landscape was ecologically sustainable, and this was also a background for establishing of first understanding of the landscape aesthetics, it could be possible to achieve the sustainability by creating feedback to the harmony of nature and man. As the study object landscapes of new private housing villages were chosen and defined them as transition areas between rural and urban, where the necessity of accordance of different aesthetical and ecological interpretation of urban and rural landscape takes place. The most built-up areas around Riga, capital of Latvia, and town Jelgava were elected as examples. Within the framework of the study interaction of landscape aesthetics and ecology were determinate through landscape pattern as the uniting parameter. Landscape aesthetics were studied by using design approach, but landscape ecology was examined by using Landscape Ecology principles. According the results, the strategies of accordance of landscape aesthetics and ecology in context of sustainable landscape planning and feedback creating had been pointed out for this study.