Q&A for How to Get Rid of Nutgrass

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How do I get rid of nutgrass and prevent it from coming back?

Community Answer

I was so desperate to get rid of the nutgrass in my ground cover that I made a tool (taped 6 cotton buds together) and applied poison to each individual strand of the grass. I was very careful to avoid the ground cover. It was very difficult to get enough to coat the grass without harming the ground cover. I did this over a few days to the same strands until I saw they were dead. They have never returned.

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Question

I have nutgrass in my flower beds; I thought I had dug all of it out, but it continues to pop up. What is best method to kill it without killing lantana?

Community Answer

Nut grass "nut" is 30 feet below and can stay dormant for years. Try using a liquid weed killer to keep it under control. I have yet to kill a lantana even with straight weed killer on it. They are very hardy.

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Question

Why do people want to get rid of nutgrass?

Community Answer

Because it's unsightly, chokes other plants, takes the nutrients in the soil for itself, and generally drives most people crazy!

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Question

Can I use Roundup on nutgrass?

Community Answer

Yes, but be aware that Roundup kills anything it's sprayed on. Be careful where you apply it.

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Question

Can I hydro mulch my lawn over nutsedge?

Community Answer

Yes, but the weed will benefit from the hydromulch fertilizer and watering too. Since nutsedge is a hardy, aggressive weed that spreads rapidly, and since it is already in your soil, it will dominate whatever seed is in the hydromulch and continue to take over. Better to kill all the nutsedge first.

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Question

How do I get it out of my vegetable garden? It has spread and as been rototilled three times this spring. I now have vegetables coming up after I thought the rototilling would take care of it.

Community Answer

You'll probably need to till the garden before a good freeze to get some control. Otherwise the only other way I've ever gotten control is a heavy dose of pre-emerge in the early spring. It would have to be labeled to use in the garden, and you couldn't plant seed until late summer.

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Question

Will livestock eat nutgrass?

Community Answer

In some cases, yes, they may eat nutgrass.

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Question

Can I cut down nutgrass and spray the rest of what's left to get rid of it?

Community Answer

Wait 2-3 days after cutting. It is best to spray when it is growing,

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