Watering the plants is an important part of plant care, but due to our busy schedules, we frequently forget to do it. It can be caused by a number of variables, including the weather, in addition to human irresponsibility. The goal of this research is to apply the Decision Tree method to automatic plant sprinklers and plant monitoring based on soil moisture. The decision tree method for determining the action of the microcontroller is to turn the pump on or off to water plants based on soil moisture. Using the C 4.5 algorithm, determine microcontroller action to find values from the data set used in this study. Automatic sprinklers using NodeMCU, ESP8266, and Telegram bots The tools used to design and create this tool are the Arduino IDE, Fritzing, and VS Code. It also uses the Telegram universal bot library to configure Telegram bots. The configuration of the telegram bot uses the universal telegram bot library, The configuration of the telegram bot uses the universal telegram bot library, while the website configuration for plant monitoring uses the native PHP language. The results obtained on automatic plant sprinklers are based on soil moisture values; namely, the relay on the microcontroller turns on the water pump when the soil moisture level touches a value of less than 50%. Then the water pump will stop when the soil moisture value exceeds 75%. In addition, the results of this study are in the form of websites and telegram bots for monitoring soil moisture values.