Large Pot Extension
Large Pot Extension
Large Pot Extension
Large Pot Extension
Large Pot Extension
Large Pot Extension

Large Pot Extension

Large Pot Extension

Regular price $9.95
Regular price Sale price $9.95
Sale Sold out

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Say hello to happy, thriving houseplants with new growth, green leaves and zero guessing games year round

Look at you grow! The Large Pot Extension is designed for plants in pots greater than 20cm (8”) deep for greater reach and analysis. Simply remove the bottom half of your original Sensor and replace it with the extension.

Free standard shipping on orders over $200
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Why Willow

Who has time to stress over yellowing leaves or another plant funeral (in this economy)? Know exactly what your plant needs anytime, anywhere. Your plants will love having a voice and you’ll love having a thriving indoor jungle that’ll make your mates green with envy. 

Large Pot Extension Details

  • Can be used with any existing Sensor
  • Dust, dirt and water-resistant
  • Additional length to pick up all the info on your plant’s water levels and soil health
  • Suitable for pots with depths between 20cm to 50cm

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How Willow Works

The setup process is simple:

  1. Pair your Sensor and Hub with the Willow app for iOS and Android
  2. Pick a plant that needs a little love and insert the Sensor into the soil
  3. In the app, select your plant type or use our smart scanner to auto-identify your plant
  4. Name your plant and you’re good to grow! When it’s time for an action, you’ll get a notification

Sensor Tech Specs

Willow Sensor

Tech Specs:

  • Dust & Waterproof Rating: IP54
  • Connectivity: Bluetooth 5.2
  • Battery: Replaceable CR2477 coin battery

Dimensions & Details:

  • Size: 172mm length and 32mm diameter
  • Length with Extension: 247mm Length
  • Weight: 100g
  • Colour: Charcoal, Moss
  • Warranty: 1 year from date of shipping


  • Light: 0 – 100,00 Lux with ±2% variance
  • Temperature: 0°C – 55°C with ±0.3°C variance
  • Humidity: 0% - 100% with ±1.8% variance
  • Moisture: 0%-90% with ±2% variance