Living · 6 pages · 12 min
Why chill hours matter to a peach
A peach bud waits through enough cold before it will open, and a warm winter leaves that wait unfinished.
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From the opening
Many peach varieties will not leaf or bloom normally until their buds have spent enough time in cold weather. That chill requirement is how the tree avoids opening during a brief warm spell in autumn or in the middle of winter. The opening covers dormancy as a lock in the bud, why a warm winter stalls bloom, and chill is not the same as hardiness.
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Inside
- Dormancy as a lock in the bud
- Why a warm winter stalls bloom
- Chill is not the same as hardiness
- What a later frost still does
- Where the idea stops applying
- A distinction worth keeping
Sources
- Chill requirements and endodormancy in temperate fruit buds
- The distinction between chill need and winter hardiness