May 15, 2018

A DIY Weed Killer That Actually Works

Spring seems to have arrived overnight, and with it comes the explosion of green as everything wakes up from its winter nap. First up? Time to fend off the weeds. . . and please don’t reach for that toxic stuff. It’s nasty for you, your yard, and everything around it. Instead, try this safer and super effective recipe.   


A targeted weed killer is a great way to get a handle on those weed that popped up since you last looked. Seriously, they weren't there yesterday and now it's an overgrown jungle. This simple spray helps to wilt the plants, and makes them easy to pull out and remove. As a huge bonus, you don't have to worry about keeping pets or small kids away from the area until it's no longer a Round-Up hazmat zone. Wait for a good day of dry weather to be sure the mix can sit on the plant for a bit without getting rinsed off.

What You need:

Mix the ingredients together thoroughly and soak the leaves and body of the weeds with an even application. Let the spray sit on the weeds until they are good and dead, then pull them out and tune up the area with a bit of mulch. I've found about 6 hours to 1 day is good enough for most, but a second application might be needed for the stubborn ones.


Keep in mind, that this spray is not selective. It will kill anything green you apply it to so protect the plants you want to keep. This also means that a weed killer like this shouldn’t be used on your lawn. Go for some standard spring weed and feed mix to tackle the crabgrass and dandelions.


Now that you have that yard all tuned up, let’s build something to enjoy on it. Take a look at this project to make a great lawn game in an afternoon.







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David on May 31, 2018:

@Bill, I understand what you're saying about everything being chemical, but keep in mind we're talking about a DIY alternative that is cheaper and much less toxic. The active ingredient in Roundup is Glyphpsate, isoproplamine salt (2%) and Pelargonic acid (2%). The other 96% is just called "other ingredients"... I agree that salt is the really effective ingredient, but at least with our simple three ingredients you know what "other ingredients" we're spraying all over your yard. My kids play out there. I like to know (and limit as much as possible) what they're being exposed to.

Bill on May 31, 2018:

Literally everything in this is a chemical. You are made of chemicals. We all are. The problem with this one is that it contains salt. Nothing will grow where you spray it. Google ‘Andrew Kniss salt vinegar soap’ and see what that weed scientist had to say. This idea is ridiculous.

JoelSelby on May 17, 2018:

I'm really trying to avoid chemicals of all kinds, since pretty much all of yard waste goes into my garden. Definitely going to do this! Thanks!