Top 10 Best Soil Moisture Sensor in 2026

Best Choice


XLUX Soil Moisture Meter, Plant Water Monitor, Hygrometer Sensor for Gardening, Farming, Indoor and Outdoor Plants, No Batteries Required

XLUX Soil Moisture Meter, Plant Water Monitor, Hygrometer Sensor for Gardening, Farming, Indoor and Outdoor Plants, No Batteries Required

  • Accurate Soil Moisture Detection:The XLUX Soil Moisture Meter can tell you if the soil deep inside your pot or garden is dry, moist or wet; whereas your eyes and fingers can only determine the moisture level of the soil surface.
  • Easy-to-Read Large Dial: The large dial is easy to read and includes three zones with ten scales, making it very straightforward to understand.
  • Immediate Moisture Reading: Insert the probe into the soil, and without waiting, the dial will immediately display the moisture level. You can then decide whether your plant needs watering based on the measurement. Do not leave this moisture meter in the soil for more than 5 minutes, as the metal tip will gradually corrode.
5.0





(5.0/5)

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Best Choice


ECOWITT WH51 Soil Moisture Sensor Soil Humidity Tester - Accessory Only, Can Not Be Used Alone

ECOWITT WH51 Soil Moisture Sensor Soil Humidity Tester – Accessory Only, Can Not Be Used Alone

  • 【Reliable Wireless Soil Moisture Sensor】: Equipped with advanced chip, ECOWITT WH51 wireless soil moisture sensor collect soil moisture data within 72 seconds when totally inserted into the soil. The data can be transmitted via GW1000/GW1100 Wi-Fi gateway( sold separately ) and the live data can be viewed on WS View Plus or Ecowitt APP after Wi-Fi configuration done.
  • 【Support Pairing with Various Ecowitt Gateway/Consoles】: The GW1100 Gateway(sold separately) supports up to 8 WH51 Soil Moisture Sensors, and the channel name can be edited. When paired with a Weather Station Console (HP2551/HP3500/HP3501), up to 8 channels WH51 sensors supported and you can view soil moisture data in real-time on the Display. When paired with Console WH0291, you only can view soil moisture data in real-time on the Display.
  • 【Uploading to Ecowitt Weather Server】: Supports uploading to our free Ecowitt weather server(ecowitt.net) to view the soil moisture data graph and download the history records on the website; support setting and receiving email alerts from the server; channel names can be edited on the website; supports remote monitoring with smart phone, laptop, or computer by visiting the website.
4.9





(4.9/5)

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Best Choice


ECOWITT GW1206 Soil Moisture Tester Kit, Includes GW1200 IoT Wi-Fi Gateway and WH51 Soil Moisture Sensor, 915 MHz

ECOWITT GW1206 Soil Moisture Tester Kit, Includes GW1200 IoT Wi-Fi Gateway and WH51 Soil Moisture Sensor, 915 MHz

  • 【2024 Latest Wi-Fi Gateway Weather Station】: With bulti-in temperature, humidity, and barometric pressure 3-in-1 sensor, the Ecowitt GW1200 Wi-Fi gateway could not only be an indoor weather station but also be a Wi-Fi gateway to connect to Ecowitt all developed sensors/subdevices. An additional 1.5m/3ft USB extension cable for powering the gateway, allowing you to measure more accurate values at any location.
  • 【Easy to Install & Easy Wi-Fi Configuration】: Ecowitt GW1200 is powered by USB(2.0 or later). With a cable clip and a USB extension cable, you can place it anywhere in your home. There are 2 methods to finish the Wi-Fi configuration: The Ecowitt APP or the website. It is recommended that you download the Ecowitt APP and finish the Wi-Fi configuration. The details about how to configure Wi-Fi are on the Quick Start Guide.
  • 【Upgrade Firmware】: According to your needs decide whether to automatically update the firmware. With the firmware update, you can use the latest function of GW1200. Besides, the original data can be retained. This option is unchecked as a default setting, which means the device will not upgrade firmware by itself. If this option is enabled, it will upgrade firmware automatically (precondition: gateway GW1200 connected to your router with internet access from the network).
4.8





(4.8/5)

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Best Choice


THIRDREALITY Smart Soil Moisture Sensor 2Pack,Zigbee hub Needed,Capacitive Probe,Moisture/Temperature Meter for Garden Planting,Compatible with Homey,Hubitat, SmartThings,Home Assistant

THIRDREALITY Smart Soil Moisture Sensor 2Pack,Zigbee hub Needed,Capacitive Probe,Moisture/Temperature Meter for Garden Planting,Compatible with Homey,Hubitat, SmartThings,Home Assistant

  • Zigbee Hub Required: Compatible with standard Zigbee 3.0, including Home Assistant (ZHA & Z2M), Hubitat and SmartThings Aeotec. A Zigbee Hub is needed for optimal performance. NOTE: Not compatible with Alexa Echo Devices.
  • Remote Monitoring and Automation: Receive real-time alerts on your smartphone, allowing you to take action anytime, anywhere, ensuring your plants get the right care. Integrated with smart home systems, these sensors enable automated watering schedules, so you can manage and control your garden’s irrigation remotely, saving both time and effort.
  • Reliable and Accurate: Equipped with a sensing probe for instant and accurate moisture readings, this meter is suitable for most environments, ensuring your plants receive the right amount of water. Consider Zigbee’s signal range, better for indoor using.
4.7





(4.7/5)

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Best Choice


XLUX Long Probe Deep Use Soil Moisture Meter, Water Monitor Indicator Sensor, Hygrometer for Outdoor Indoor Large Pot Plants, Flower, Gardening, Farming

XLUX Long Probe Deep Use Soil Moisture Meter, Water Monitor Indicator Sensor, Hygrometer for Outdoor Indoor Large Pot Plants, Flower, Gardening, Farming

  • Accurate Soil Moisture Detection: The XLUX Soil Moisture Meter can tell you if the soil deep inside your pot or garden is dry, moist or wet; whereas your eyes and fingers can only determine the moisture level of the soil surface. The probe is 5.5 inches (14 cm) longer than regular styles, allowing it to measure the soil moisture at the bottom of larger and deeper flower pots.
  • Easy-to-Read Large Dial: The large dial is easy to read and includes three zones with ten scales, making it very straightforward to understand.
  • Immediate Moisture Reading: Insert the probe into the soil, and without waiting, the dial will immediately display the moisture level. You can then decide whether your plant needs watering based on the measurement. Do not leave this moisture meter in the soil for more than 5 minutes, as the metal tip will gradually corrode.
4.6





(4.6/5)

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Best Choice


ECOWITT WH51L Soil Moisture Sensor with 1m/3.28ft PVC Wire Probe, LCD Display, Needs to Pair with Wi-Fi Gateway, 915 MHz

ECOWITT WH51L Soil Moisture Sensor with 1m/3.28ft PVC Wire Probe, LCD Display, Needs to Pair with Wi-Fi Gateway, 915 MHz

  • 【ECOWITT 2024 Newest Soil Moisture Meter】Ecowitt WH51L soil moisture sensor with 1m/3.28ft PVC sensor wire could measure soil moisture. The LCD screen could display the real-time data. The data can be streamed by Ecowitt Wi-Fi Gateway (sold separately) and they can be viewed on the Ecowitt APP after the Wi-Fi configuration is done. A display console(sold separately) also can be used to display the received sensor value and submit it to the Internet.
  • 【Difference between WH51 and WH51L】Both of them are designed to measure soil moisture. However, WH51L with an LCD screen could display the real-time data while WH51 does not. Besides, the 1m/3.28ft PVC cord of WH51L enables you to measure deeper soil moisture up to almost 80cm while WH51 can measure shallow soil moisture. What’s more, the sensor probe of WH51L’s waterproof lever is up to IP68 while WH51 is IP66.
  • 【When Pairing with Ecowitt Gateway】: The Ecowitt gateway(sold separately), such as GW1100/GW2000/GW1200, supports up to 8 channels of WH51L soil moisture sensors and displays the data on Ecowitt app after WI-Fi configuration. Channel names can be edited on the app.
4.5





(4.5/5)

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Best Choice


HiLetgo 5pcs LM393 3.3V-5V Soil Moisture Detect Sensor Soil Moisture Sensor Soil Hygrometer Detection for Arduino Automatic Watering System Robot Smart car

HiLetgo 5pcs LM393 3.3V-5V Soil Moisture Detect Sensor Soil Moisture Sensor Soil Hygrometer Detection for Arduino Automatic Watering System Robot Smart car

  • This is a simple moisture sensor can be used to detect soil moisture, when the soil water shortage, the module outputs a high level, whereas the output low.
  • Use this sensor to make an automatic watering device that will keep your garden of plants unmanaged.
  • Module dual output mode, digital output is simple, more accurate analog output.
4.4





(4.4/5)

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Best Choice


XLUX Long Probe Deep Use Soil Moisture Meter Sensor, Water Monitor Indicator, Hygrometer for Outdoor Indoor Large Pot Plants, Flower, Gardening, Farming, 2 Pack

XLUX Long Probe Deep Use Soil Moisture Meter Sensor, Water Monitor Indicator, Hygrometer for Outdoor Indoor Large Pot Plants, Flower, Gardening, Farming, 2 Pack

  • Accurate Soil Moisture Detection: The XLUX Soil Moisture Meter can tell you if the soil deep inside your pot or garden is dry, moist or wet; whereas your eyes and fingers can only determine the moisture level of the soil surface. The probe is 5.5 inches (14 cm) longer than regular styles, allowing it to measure the soil moisture at the bottom of larger and deeper flower pots.
  • Easy-to-Read Large Dial: The large dial is easy to read and includes three zones with ten scales, making it very straightforward to understand.
  • Immediate Moisture Reading: Insert the probe into the soil, and without waiting, the dial will immediately display the moisture level. You can then decide whether your plant needs watering based on the measurement. Do not leave this moisture meter in the soil for more than 5 minutes, as the metal tip will gradually corrode.
4.3





(4.3/5)

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Best Choice


Stemedu 5PCS Capacitive Analog Soil Moisture Sensor Module 3.3~5.5V Corrosion Resistant Humidity Detection Sensors DIY Electronic for Arduino for Raspberry Pi

Stemedu 5PCS Capacitive Analog Soil Moisture Sensor Module 3.3~5.5V Corrosion Resistant Humidity Detection Sensors DIY Electronic for Arduino for Raspberry Pi

  • 【Version】This capacitive analog soil moisture sensor is V1.2
  • 【Voltage】Working voltage: 3.3~5.5 VDC, output voltage: 0~3.0 VDC
  • 【Interface】Interface: PH2.54-3P, Pin: Analog signal output, GND, VCC
4.2





(4.2/5)

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Best Choice


Sustee Aquameter, Set of 5, Plant Soil Moisture Sensor (Green, Small)

Sustee Aquameter, Set of 5, Plant Soil Moisture Sensor (Green, Small)

  • Dimensions: 0.4 x 0.3 x 4.7 inches (small) – Intended for pot sizes of 2, 2.5, and 3 – Ideal for small succulents
  • The Sustee Aquameter is a leave-in soil moisture sensor pen that can be left in the soil for continuous monitoring, unlike other moisture meters that need to be taken out after each measure
  • Set includes five refillable sustee watering sticks (green) – Moisture meter for house plants that has refillable replacement core – Each stick will last for approximately 6-9 months
4.1





(4.1/5)

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Conclusion

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