A novel vineyard monitoring WSN based application currently under development as a joint collaboration between FEEIT – Skopje and ECS – Skopje is presented. The application, named DIONIS, incorporates various sensors (temperature, humidity and chemical substances sensors) for data gathering, wireless communication devices for data dissemination to relevant entities, database for storing the acquired data and a Graphical User Interface (GUI) for user friendly data statistics monitoring. Based on the extracted field parameters, DIONIS is able to detect abnormal situations and alarm local and remote authorities. DIONIS can enhance the grape growing process and provide higher wine quality, as well as exhibit water savings and more efficient pesticide use.