*Based on Sterle, Sharp and Minas, 2025. Modeling dormant peach floral bud cold hardiness using large-scale thermal and dynamic weather data. Under review, Physiologia Plantarum.

Peach cold hardiness assessment post March 1st should be guided based on phenology critical temperatures.

2025 January-March lethal temperature graphic for Palisade Colorado

The development of the present cold hardiness prediction tool was supported financially by the Specialty Crop Block Grant Program of the U.S. Department of Agriculture (USDA) in cooperation with the Colorado Department of Agriculture (CDA) through the project #20232818 ‘Web-based peach cold hardiness prediction tool for grower frost control informed decision-making’. Its contents are solely the responsibility of the contributors and do not necessarily represent the official views of the USDA or CDA.

Current Dormant Season Peach Floral Bud Cold Hardiness Updates