Redhaven Peach Cold Hardiness Model for Orchard Mesa and Rogers Mesa, CO
Powered by the Colorado Department of Agriculture.
Models update daily with CoAgMET weather data between October 1st and March 1st.
*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 (see below).
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.
2025-2026 Dormant Season Historical Data
Chilling hour/portions accumulation during the current dormant season
Current Dormant Season Peach Floral Bud Cold Hardiness Updates
Critical Phenological Temperatures
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Critical Phenological Temperatures
Critical Temperatures – Phenological Stages – Apple Critical Temperatures – Phenological Stages – Apricot Critical Temperatures – Phenological Stages – Cherry (sweet) Critical Temperatures – Phenological Stages – Cherry (tart) Critical Temperatures – Phenological Stages – Peach (Farenheit) Critical Temperatures – Phenological Stages – Peach (Celcius) Critical Temperatures – Phenological Stages – Pear Critical Temperatures – Phenological Stages – Plum (European) Critical Temperatures – Phenological Stages – Plum (Japanese)