Early leaf discoloration

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Greg Corey

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Hey all. I’ve got some leaf discoloration on my Regent vines that I’m wondering about. I’ve reached out to my local extension specialist but I’m wondering if those here have experience.

As you can see, they are late bloomers. I’m guessing either frost damage or mildew. It’s only on a couple buds on the side of this vine that gets the least amount of sun. We did recently have a cool (but not frosty) spell with lots of rain last week.
 

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