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Home Fruit Gardens: Table 6.1. Site Criteria for Planting Grapes
Informational table showing minimum winter temperatures for growing grapes.
Updated:
August 9, 2016
| Classification of Site | Frequencya of Temperatures of -5°F | Frequency of Temperatures of -10°F | Long-term Minimum (°F) | Suitable Grape Varieties |
|---|---|---|---|---|
| excellent | three times or less over 10 years | a maximum of once every 10 years | -10 | all varieties listed |
| good | four times in 10 years | a maximum of once every 10 years | -15 | all varieties; however, tender and very tender will be injured in some years |
| acceptable | every year | a maximum of four times in 10 years | -15 | varieties of medium or greater hardiness |
a. If winter temperatures reach -10°F five or more times in 10 years, and/or winter temperatures drop to -15°F three or more times in 10 years, this site is not suitable for grape production.
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