Things To DoHome and Garden Garden Q&A: What’s spotting my black-eyed Susan? Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Dark spotting on a rudbeckia leaf from Septoria infection. (Courtesy of Miri Talabac) By Miri TalabacPUBLISHED: July 8, 2026 at 10:54 AM EDT | UPDATED: July 10, 2026 at 4:22 PM EDTGetting your Trinity Audio player ready...For now, pick off the worst of the infected leaves and discard them (do not compost). Subscribe to continue reading this article. Already subscribed? To log in, click here. Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X
