Why grapes on vine dried up.
The grape on my vine this year dry out. No fruit this year. Last year we had some grapes. We cleaned out some of the leaves so that sunlight can get through the vine...
Montgomery County Maryland
Without a photo, we cannot say for certain. We suspect that this was caused by black rot, a common fungal disease on grapes: https://extension.umd.edu/hgic/topics/grape-diseases
If you do not want to spray a fungicide, you will only get a good grape crop when conditions are ideal for no black rot--which will be rarely.
Please send a clear photo of the grapes' infected condition if you have one, and we should be able to give you a definitive diagnosis.