Question 1

Which is better, ECOWITT WH51 Soil Moisture Sensor or Sensoterra Soil Moisture Probe?

Accepted Answer

Based on our testing, the ECOWITT WH51 Soil Moisture Sensor scores higher overall at 8.5/10. The ECOWITT WH51 Soil Moisture Sensor scored 8.5/10 and the Sensoterra Soil Moisture Probe scored 8.2/10 in our Best Soil Moisture Sensors 2026 evaluation.

Question 2

Is the ECOWITT WH51 Soil Moisture Sensor worth it over the Sensoterra Soil Moisture Probe?

Accepted Answer

The ECOWITT WH51 Soil Moisture Sensor scores 8.5/10 while the Sensoterra Soil Moisture Probe scores 8.2/10. The ECOWITT WH51 Soil Moisture Sensor is our "Best Overall" pick in the Best Soil Moisture Sensors 2026 category.

ECOWITT WH51 Soil Moisture Sensor vs Sensoterra Soil Moisture Probe: Which to Buy?