There are two or three mature Horehound plants at the beginning of the rudbeckia row and I don't know if you're familiar with them or not, but after they flower they turn into burrs and they spread just like the yarrow. So I'm kicking my way down the path, covered with burrs. I finally did cut the horehound so I could get to the first yarrow. It's a mess! If I get a spare hour or two I am going to cut back all the yarrow and try and tie up the rudbeckias. The grass will have to wait.
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