Soil moisture sensors / GARDENA

GARDENA smart Sensor 19040-20

Soil moisture and ground temperature measurement; 2 AA batteries. Supports sensor-informed watering in GARDENA smart system.

Listed in United Kingdom
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GARDENA smart Sensor 19040-20 product photo

Photo: GARDENA

Connections: Proprietary radio to smart Gateway

Regional versions and model notes
  • Listed in United Kingdom
  • United States: exact local listing unconfirmed
  • Australia: exact local listing unconfirmed
  • Canada: a related local version is listed
  • Third-party ecosystems not established by these sources; manufacturer app is not evidence of Matter, HomeKit, Alexa or Home Assistant support.
  • Regional versions can have different electrical, radio or plumbing requirements.

What it can do

    Setup

    • GARDENA smart Gateway required.

    Features and the setup they need.

    Features, setup and recorded confirmation
    Feature & setupConfirmation & sources

    Weather readings

    Device feature

    		✓ Manufacturer confirmed

    gardena.com · 2026-10-26

    GARDENA smart App

    Manufacturer app

    Works with GARDENA smart App.

    What you’ll need

    • GARDENA smart Gateway
    • Use a compatible phone for this app.
    		✓ Manufacturer confirmed

    gardena.com · 2026-10-26

    Model and source notes
    • Third-party ecosystems not established by these sources; manufacturer app is not evidence of Matter, HomeKit, Alexa or Home Assistant support.
    • Regional versions can have different electrical, radio or plumbing requirements.

    Where we checked

    Features are based on the linked manufacturer documentation. Household results also check the equipment and software you select. How we check.