Use Alexa in the garden - there are these options - AB Smart Health
Amazon.com: GARDENA 84-BZMX ZoomMaxx - 2400 Sq Ft, Fully Adjustable Sprinkler on weighted base for flexible, leak proof and precise watering, compatible with any hose brand, Made In Germany : Everything Else
Amazon.com: GARDENA 15201-41 SILENO Minimo - Automatic robotic lawn mower, with Bluetooth app and boundary wire, The quietest in its class, for lawns up to 2700 Sq Ft, Made in Europe : Everything Else
Robonect Mähroboter Alexa Skill für GARDENA, Husqvarna und Co.