Rudbeckia...stunted growth, rust?

Asked June 12, 2020, 2:19 PM EDT

Hi! I have a lot of rudbeckia coming up now. In one area of my garden, it all looks bad. It’s bottom leaves look pretty good, but about 8” up the stem, the stem looks deformed and so do some of the very tiny leaves. At first, I thought a rabbit had been chewing on them, but now I think they may be diseased. I looked up Rust on the extension website. A few of the leaves look a little like the picture, but not exactly. Also the Obedience plants near these Rudbeckia also seem to be affected. I will try to include a couple photos. Thank you so much for any help you can give me.

Hennepin County Minnesota

1 Response

The one in the middle is suffering from 4 lined plant bug. The one on the right from rabbits and 4 lined plant bug and the obedient plant will probably show the same stippling soon.