To alleviate drought stress on moringa plant, the present study was performed aiming to test the alleviating effect of ascorbic acid, salicylic acid, humic acid ,seaweeds extract on moringa trees. Results indicated that treatments had beneficial effect manifested by maintaining yield and   elevating stress-related metabolites, especially phenols , proline. Ascorbic acid , humic acid and seaweed extracts were the most effective and they are recommended to be employed to mitigate water stress on moringa trees which grow under drought stress conditions.