Our final What's That? Wednesday blog features yellow nutsedge. Yellow nutsedge is generally more of a problem in lawns than vegetable gardens. However, you may encounter it in the garden as it can come in with soil amendments. Nutsedge is a sedge, meaning it has a triangular stem and 3 leaves at each node while grasses have rounded stems and generally have two leaves. Nutsedge reproduces by underground rhizomes and nutlets. For a few plants, it’s easiest to just pull out the sedge, then watch the area. New plants will emerge from what was left underground, so pull every couple of weeks. Eventually the plant will run out of underground energy. Here are a couple of links with more complete information on nutsedge from Purdue and K-State Research and Extension.
https://www.extension.purdue.edu/extmedia/ay/ay-19-w.pdf
https://hnr.k-state.edu/extension/info-center/common-pest-problems/common-pest-problem-new/Yellow%20Nutsedge.pdf
https://www.extension.purdue.edu/extmedia/ay/ay-19-w.pdf
https://hnr.k-state.edu/extension/info-center/common-pest-problems/common-pest-problem-new/Yellow%20Nutsedge.pdf
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