The below series of photos illustrate a zoysiagrass spreading into a pine straw bed via a rhizome. The zoysiagrass has sent out a footlong rhizome just underneath the soil and has shot up a stem with grass blades that pop through the pine straw. With a little digging, the rhizome is exposed and removed. Because they spread by both stolons AND rhizomes, zoysiagrass and bermudagrass require more effort to control their unwanted spread in a landscape. Typical controls include installing hard edging / boarders (concrete or metal), periodic application of herbicides, and aggressive hand pulling.
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