Heres another picture

and another

See attached link.

Here is a link that might be useful: Downy mildew on grapevine

I was told this wasn't downy mildew

You are probably due a refund for the bad advice you have received⦠but if you want to be completely sure of your grape vine ailment then I would suggest contacting your local agriculture extension office to find out where to send a leaf sample for an exact answer.

I have included a link to the NJ extension office directory to make sure you didn't have to expend any additional energy or effort...

Here is a link that might be useful: Cooperative Extension County Offices

Thank you!