Posted 8/6/2023 20:13 (#10347593 - in reply to #10345988) Subject: RE: Sickly looking rhubarb....
Wisconsin
What do you WANT to do with it? You could do everything that's been mentioned, or just one thing. Manure or compost is probably the easiest. Then spray the weeds under and around it with glyphosate, trying to keep most of it off the rhubarb. Then repeat again in twenty years.