Table 6.1. Site Criteria for Planting Grapes
|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.
TitleTable 6.1. Site Criteria for Planting Grapes
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