Weed Killers - What's The Strongest/Most Effective?

[DoggyDaddy]

So, I've been battling thistles ever since we had a crazy next door neighbor several years ago that would only mow his yard 2 or 3 times per season. I've tried both Roundup 365 and Ortho Ground Clear Year Long and as far as I can tell, they barely hurt their feelings, let alone kill them. Is there something else that is effective on thistles? I know we can't get dioxin (Agent Orange) anymore but I'd like something that potent.

 

[BigRed]

Antifreeze

 

[DoggyDaddy]

Antifreeze

Really? Does it kill them to the root?

 

[BigRed]

Really? Does it kill them to the root?

Ethylene glycol-based antifreeze will.

 

[DoggyDaddy]

Ethylene glycol-based antifreeze will.

The 50-50 pre-mix or full strength? Any concern about pets? The dog doesn't go out in the front yard where most of them are, but there are some out back as well.

 

[Cameramonkey]

Fuel oil. saturate the ground.

 

[DoggyDaddy]

Fuel oil. saturate the ground.

Dad used to dump the old motor oil along our fence line when I was a kid. But Dad also used to have dioxin out in our shed too.

 

[boman]

41 % glyphosate 3oz, plus 1 tablespoon triclopyr plus 1 to 2 teaspoons spreader sticker all mixed up in a 1gal tank sprayer. this mix will kill just about anything including your lawn LOL you can get the chemicals on line at domyown pestcontrol.

Steve

 

[BigRed]

The 50-50 pre-mix or full strength?

Depends on the mixture. I know Peak is a 50/50 that is ethylene glycol based.

 

[DoggyDaddy]

41 % glyphosate 3oz, plus 1 tablespoon triclopyr plus 1 to 2 teaspoons spreader sticker all mixed up in a 1gal tank sprayer. this mix will kill just about anything including your lawn LOL you can get the chemicals on line at domyown pestcontrol.

Steve

Thanks! I'm willing to try anything.

 

[BigRed]

BTW, keep dogs away from antifreeze. To them it smells like something that would taste good.

 

[DoggyDaddy]

BTW, keep dogs away from antifreeze. To them it smells like something that would taste good.

That's what worries me. I wonder if it's safe after it dries.

 

[Leo]

The neighbor man would burn thistles with a torch. He would re torch them every time it looked like they were trying to come back. the next year they were gone. He was a Polish immigrant who grew a lot of food using all natural methods. I asked him about weed killer, and he basically said, why do you want poison in the food you eat?

 

[DoggyDaddy]

The neighbor man would burn thistles with a torch. He would re torch them every time it looked like they were trying to come back. the next year they were gone. He was a Polish immigrant who grew a lot of food using all natural methods. I asked him about weed killer, and he basically said, why do you want poison in the food you eat?

I have a small torch, but most of the thistles are in mulched flower beds, so I don't want to set all the mulch on fire. Besides, it would take multiple 1 lb. propane tanks to burn all the thistles I have. I actually got the torch with that in mind. About all it gets used for now is lighting my brush piles.

 

[Cameramonkey]

This sounds like a good excuse to buy a flame thrower.

 

[BigRed]

That's what worries me. I wonder if it's safe after it dries.

Well ya know, Agent Orange was the bar you wanted cleared... can't speak to what pets want to eat.

I know it can wipe out scrub bushes pretty well too...most anything

 

[BigRed]

This sounds like a good excuse to buy a flame thrower.

X = "good excuse to get a flame thrower"

 

[DoggyDaddy]

Well ya know, Agent Orange was the bar you wanted cleared... can't speak to what pets want to eat.

I know it can wipe out scrub bushes pretty well too...most anything

Well, the bulk of them are out front, away from where pets would go, so it's probably worth a shot.

 

[OutdoorDad]

the best LEGAL herbicide is Speed Zone.

 

[OutdoorDad]

I'm assuming you want to someday plant/grow something on that spot of dirt.
If that's not a concern, the Punic Wars found salt to be effective.
I've put water softener pellets on fence lines. But don't tell on me.