Measure for success. The Garden Weasel Soil & Composting Thermometer will be your constant companion in the garden, letting you gauge the ideal conditions for planting seedlings, applying fertilizers, turning compost, etc. It can also provide useful temperature data for effective irrigation management. This stainless steel probe thermometer reads temperatures up to 220 degrees Fahrenheit (104.4 degrees Celsius), giving you reliable readings for core temperatures for your composting or planting project. It also lets you monitor soil temperatures to accurately predict the best time for planting seeds or for transplanting cuttings. With an extra-long 36-inch x 0.25-inch pointed probe, this version of the Garden Weasel Soil & Composting Thermometer lets you take readings deep inside larger composting piles. Also, unlike digital garden thermometers, it does NOT require batteries to operate! The Garden Weasel Soil & Composting Thermometer features a large 3-inch dial face that is easy to read from a distance and is protected in a stainless steel housing with a fade-resistance glass lens. The detail is threaded to the probe (0.5” NPT) to allow for an optional probe handle installation (handle sold separately). Like all of Garden Weasel's tenacious tools, this professional-grade soil and composting thermometer comes with our no-hassle LIFETIME GUARANTEE. That's right – we've always got your back. Get the Garden Weasel Soil and Composting Thermometer - dial in for gardening success, year after year!