By Canalhopper
Denbighshire,
United Kingdom
Should I be worried about this on my vine?
![](http://media.growsonyou.com/photos/question/image/331172/main/801C6B54_6168_4036_AC23_3F9BAAAB3756.jpg)
![](http://media.growsonyou.com/photos/question/image2/331172/main/645CAFB1_3385_4265_A26C_BD3E26A6708F.jpg)
17 Jun, 2021
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it looks like grape vine blister mite. the swelling is a gall caused by the sap sucking mite.
The RHS suggests it wont affect fruiting. If there are only a few leaves affected remove and either burn or place in the household bin. link is to the RHS advice page.
https://www.rhs.org.uk/advice/profile?pid=789
18 Jun, 2021