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Chilling hours are the minimum number of hours that a peach tree needs to get, specifically, nighttime temperatures between 32 and 45 degrees Fahrenheit, in order to produce a good crop of peaches.. If the hours are not met (say in a warm winter), the blossoms mostly just fall off the trees and do not set fruit.
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.
4 Μαΐ 2022 · Most fruit trees require some chill hours in order to bear fruit. Peaches, plums, nectarines, apples, figs, cherries, apricots, persimmons, pears, pomegranates, and more. Aside from a chilling requirement, these fruit trees all have something else in common: they are deciduous, or lose their leaves over winter.
12 Ιουν 2024 · Florida peach trees require around 100-500 chill hours, while Georgia peach trees require 800-1000 chill hours. Why are Chill Hours Important? Chill hours refer to the number of hours during the winter when temperatures range from 32°F to 45°F.
‘FloridaCrest’ needs 350 chill hours and is the best melting-flesh peach currently available for North Florida. This tree produces a melting-flesh, semi-clingstone fruit. ‘FloridaDawn’ also produces a melting-flesh, semi-clingstone fruit.
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.
Here in Florida, gardeners should look for special “low chill” fruit tree varieties. Low-chill peaches, plums, and nectarines need just 100 to 525 chilling hours per year, making them better suited for our mild winters.
