Bi-metal spring with 1⅝" needle dial on a 5" stainless steel probe for monitoring soil temperatures at planting depth. Gauge the optimum time for planting and avoid damping-off and other temperature-related problems. Registers from 20–180°.
The 2022 Bulk Order is closed. Ordering will reopen for the 2023 NOFA Tri-State Bulk Order on January 1st, 2023.