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Chill hours refer to the cumulative number of hours that temperatures remain within a specific range, typically between 32°F (0°C) and 45°F (7°C), during the dormant winter period. This cold exposure is vital for many fruit and nut trees, as it fulfills their winter dormancy requirement.
Interactive map displaying total accumulated and projected chill hours. Restrictions and Limitations. Only covers Florida and Georgia.
Peach trees (Values listed are the hours required at or below 45°F.). The map shows the typical chilling hours by area. The US map is the same chilling hours map you will see everywhere.
One model in particular that defines a chill unit as 1 hour below 45°F (7°C), but above 32°F (0°C) works well for determining ranges of accumulation in low-chill peaches. The accumulation over a defined period (usually November–January in Florida) is termed chill unit accumulation.
1 Οκτ 2024 · The chilling requirement of a fruit is the minimum period of cold weather after which a fruit-bearing tree will blossom. It is often expressed in chill hours. Map. Total Accumulated and Projected. Accumulated by Period. Accumulated Chill Hours.
4 Μαΐ 2022 · It looks like even the southern tip of Florida may still get 0-50 chill hours. To see what fruit trees work best in your area, visit local nurseries and see what fruit trees they are offering for sale, they should be the correct fruit trees for your growing zone.
The Florida Crest Peach Tree produces a very flavorful medium size peach. It is an ideal peach for the Deep South with low chill hour requirements. An early variety that ripens approximately 47 days before Elberta. Trees are 4-5′ with a 1/2″ caliper. Zones 6-10 Chill Hours: 400.
