grapes - Knowledgebase Question

Joice, Io
Question by dmolson
April 13, 2010
what makes a grape vine not produce at all? They have produced in prior years. Vines are about 5 years old. Thanks, Donna


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Answer from NGA
April 13, 2010

0

Grapevines usually begin producing when they are 3-4 years old and they are self fruitful so you won't need another grape variety in order to have fruit. If the plant is blooming then you should have fruit, weather permitting. Sometimes weather conditions interfere with the flowers opening fully or interfere with the pollen moving through the flowers completely. A cool spell or a rainy spell during this critical time period can severely limit the crop. (Optimal temperatures would be 65 plus degrees.) Unfortunately there really isn't too much we can do to influence the weather.

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