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Grapes Ag facts
Grapes are the highest value fruit crop in the nation and the 7th largest crop overall.
In San Joaquin County, grapes are the second largest crop in production value (milk is number 1).
San Joaquin County has over 92,000 acres of wine grapes with a value of over 200 million.
The nation's top wine producing states are (in production order): California, New York, Washington and Oregon. California produces 90% of the volume.
Grapevines cannot produce reliably from seed. To cultivate a particular grape variety, grafting (a plant version of cloning) is used.