Does anyone know what this is?

Ellicott City, MD(Zone 7a)

This is a Hawthorn cutting. Does anyone know what this swelling is. My other cutting doesn't have it.

Thumbnail by nikki_conway
Elburn, IL(Zone 5a)

That's cedar/hawthorn rust--do a google search on that

Ellicott City, MD(Zone 7a)

That's pretty bad!! Well, I cut it off and sprayed it. Will I lose the whole thing? I read an article, but it didn't say whether it could be cured or not.

Mid-Hudson Valley, NY(Zone 5b)

Cornel Cooperative has an article. There's fungicide that gets sprayed before the flowering occurs in the spring.

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