Answer: I'm not familiar with Monkey grass, but if you want to contain it, you might try barriers such as plastic or metal lawn edging that goes at least one foot deep into the soil. You can create your own edging and keep the grass at least in a certain area. Short of that, you'd have to use herbicides to kill it and may need repeated treatments. Check commercial products to see if monkey grass is one of the weeds controlled before spraying.
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