Plum 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 | Swollen Bud | Bud Burst | Green Cluster |
|---|---|---|---|
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 |
 |
|
| 10% kill | 14 | 20 | 24 |
| 90% kill | 0 | 7 | 16 |
| blank space | White Bud | Bloom | Petal Fall |
|---|---|---|---|
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 |
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|
| 10% kill | 26 | 28 | 28 |
| 90% kill | 22 | 33 | 33 |