Nutsedge is one of them.
Yellow nutsedge, or nutgrass, is a common weed in lawns and flower beds, and it's notoriously difficult to kill.
That's okay, I'll just spray it with a weed killer.
Now, you might be thinking, I can just buy a spray to kill it. WRONG. Technically, you can buy a spray that claims to kill it, but before you grab the chemicals, look at these ridiculous instructions (or skip this section if you're not interested.)
First you spray it on in the same way as most herbicides, except a few days after the initial application you'll have to water it in with exactly 1/2" of water so that the chemical gets into the roots of the weeds. (Too much water and it all washes away, too little and it won't reach the roots.) You won't even know if you've applied it correctly until a month later because the weeds take 3-5 weeks to die. And you're supposed to re-apply it in 6 weeks. And you can only apply it while your grass is in the active growing stage. But not when it's growing slow, or your grass will be discolored for weeks.
Did you catch all that? How many people do you think actually apply this stuff correctly?
As a mostly natural gardener, and a beekeeper, I don't use or recommend chemical herbicides anyway.
Fine, I'll just pull it, then.
Why is nutsedge so hard to kill?!
If all of that isn't terrible enough, the plant also spreads by seeds.
If you have a small patch of nutgrass, don't ignore it. Take care of it before it gets out of control.
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If I can't spray it or pull it, what do I do?
This takes some time, but it is time well spent because once you dig up all the nutsedge and their pieces, it's gone for good.
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