In order to grow any plant, you need to make sure your soil meets the right conditions that facilitate growth. The RainPoint WiFi Soil Moisture Meter can help. It is a smart tool with 3 probes that lets you analyze soil moisture and temperature. It combines with the RainPoint WiFi Sprinkler Timer to water your plants only when needed.
This sensor has 5 LED lights to give you feedback. You can download the companion app to see detailed data. This sensor is IP67 waterproof.[where to get it]