Apricot Growth Stages and Critical Temperatures
Typical temperatures in Fahrenheit, at which 10% and 90% injury after 30 minutes exposure, is provided under each bud stage image.
To have a full crop of cherries requires well over 50% bud survival in most years, while apples, pears, and peaches may only need 10 - 15% bud survival
| blank space | First Swell (Bud Swell) | Tip Separation (Swollen Bud) | First White |
|---|---|---|---|
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| 10% kill | 15 | 20 | 24 |
| 90% kill | --- | 0 | 14 |
| blank space | First Bloom | Full Bloom | In the Shuck (Petal Fall) |
|---|---|---|---|
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| 10% kill | 25 | 27 | 27 |
| 90% kill | 19 | 22 | 24 |
| blank space | Shuck Split (Post Bloom) |
|---|---|
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|
| 10% kill | 28 |
| 90% kill | 25 |




