I know posts on automated plant care are very popular on Gadget Master, so I want to highlight this Arduino appnote - Smart Farm Irrigation System Using Arduino Edge Control.

To address this, Instructables user benrbill came up with a game-changing solution: an automatic drip irrigation system powered by Arduino.

We've shown you a few automated irrigation systems, both large and small, but if you're an Arduino fan, you'll love DIYer Jouni's set-up, made out of a bucket, a submersible pump, and plastic hose.

Arduino partnered with Challenge Agriculture to integrate the the single-board computer into Irriduo, the French company’s smart irrigation system. Inside, alongside Edge Control is an Arduino MKR ...

Irrighino is a complete watering system based on the Arduino Yun, featuring a user friendly AJAX interface. This allows scheduling in a manner similar to creating appointments in Outlook.