Tap timers / GARDENA

GARDENA Water Control Bluetooth 1889-20

App range stated up to 10 m; three schedules. Optional wired soil-moisture sensor can skip watering; 9 V battery.

Listed in Canada
Check with my setup ↗

Plan this device in a room ↗

GARDENA Water Control Bluetooth 1889-20 product photo

Photo: GARDENA

Connections: Bluetooth LE

Regional versions and model notes
  • Listed in Canada
  • United States: exact local listing unconfirmed
  • Australia: exact local listing unconfirmed
  • United Kingdom: exact local listing unconfirmed
  • Canadian page lists G3/4 and G1 threads; verify physical Canadian SKU rather than assume North American GHT.
  • 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

    • No gateway required for nearby Bluetooth operation.

    Features and the setup they need.

    Features, setup and recorded confirmation
    Feature & setupConfirmation & sources

    GARDENA Bluetooth App

    Manufacturer app

    Works with GARDENA Bluetooth App.

    What you’ll need

    • Use a compatible phone for this app.

    How to use it

    • Use this app within the documented Bluetooth range.
    		✓ Manufacturer confirmed

    gardena.com · 2026-10-26

    Model and source notes
    • Canadian page lists G3/4 and G1 threads; verify physical Canadian SKU rather than assume North American GHT.
    • 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.