I've never had a problem with them outcompeting anything.. I always figured if I pull them, something else, less desirable, will probably take the spot.Â
They may even be adding nitrogen to the soil, but don't quote me on that.
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And they add a nice citrus zing as garnish on salads and other stuff.. We have that same one and the purple leaf variety.Â
Mind you, I've never been one to worry about oxalic acid too much because I've been eating it in reasonable amounts most of my life.Â
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