Do you need it?
I know many would rather not use weed killer, in most cases it simply isn't necessary.
Hand weeding is often easier, quicker and just as effective against pesky weeds, Pick the head and pull the roots then your done.
It's free and unless your whole garden is overgrown, has a lot of weeds or some particularly tough woody weeds your almost always better off doing it manually.
Sadly this doesn't work on all weeds.
Perennials and woody weeds such as Ivy or Brambles can regrow from even a small fragment of root. Don't get it all and you'll be back to square one.
Annuals such as daisies will quickly spread their seed far and wide, don't get them early enough and they will spread, kill them to late and they will pop up elsewhere.
How do weed killers work?
Most of the effective weed killers work by disrupting the photosynthesis process of the plant.
You simply apply the weed killer and it is absorbed by the plant, the weed killer acts as a poison and kills the plant.
Please note, you should always take care with garden chemicals. Weed killers when used incorrectly can be hazardous to the environment. Always read the label & follow the instructions for safe use.
There are two main types of weed killer. Systemic and selective:
- Systemic weed killers will kill everything. (glyphosate is the most popular)
- Selective weed killers won't, these are commonly used in lawns to kill lawn weeds.
Do you want it?
Weed killer certainly makes your life easier....
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What are some of the strongest?
Different strokes for different folks. Different weeds and locations require different kinds of weed killer.
Therefore there is no one strongest weed killer that works everywhere.
Instead there are numerous strong weed killers that are suitable for different jobs.
Glyphosate:
The worlds most popular weed killer. It is used across the world in gardens, farms & public places. We love this stuff. It's not difficult to see why, it's an effective and super strong weed killer.
Glyphosate is systemic, will kill grass and pretty much every other plant it touches. Used to kill annuals, perennials, woody perennials and tree stumps.
Glyphosate is used with 85% of GM crops grown globally.
Worldwide we consume roughly 650,000 tonnes of Glyphosate annually worth around $6.5 billion and it's use keeps on increasing in large part due to it's use with GM crops (source).
Why is Glyphosate used so much?
- Glyphosate kills weeds without harming crops. Many GM crops have been engineered to be resistant to Glyphosate meaning large areas can be treated efficiently.
- It's cheap and effective. It works on a broad range of weeds and is cheaper than most other strong weed killers.
- It's not toxic to humans. There is some debate about this, long term exposure may cause harm but it is widely approved for use. Please always read the label when using herbicides.
- It doesn't persist in the environment. You can treat an area and then a few weeks later plant in the same area with no residues affecting future growth.
Glyphosate is by far the most effective weed killer on the market in the UK.
It works on ALL kinds of plant life, it kills them down to the roots and it is easily applied allowing for safe replanting shortly after use (once the weeds are dead).
Glyphosate isn't useful for aquatic enviroments and shouldn't be used near sources of water as it can harm fish due to it persisting in water, soil bacteria quickly breaks it down.
If you're looking for a strong, effective weed killer then the #1 choice should be Glyphosate.
Vinegar:
A very popular "homemade" herbicide. Often combined with salt and some dish soap.
It works well in warm conditions and is a non selective weed killer. If over used it can harm your soil PH levels.
Works well on small weeds, would need industrial quantities for large weeds like brambles.
Overall a good, cheap homemade weed killer that is ideally suited for small weeds and small areas.
Salt:
The oldest weed killer. People have been using it for centuries. It's also useful for combating other garden pests. Enemy combatants would salt each others land to prevent crops from growing leading to starvation.
Pretty evil huh? Salt is a non selective and very effective weed removal and prevention tool.
Often combined with water and dish soap it is sprayed onto the weeds which absorb it and they die.
Sodium Chlorate
Was a popular weed killer in the UK that was long lasting and worked very well.
I believe it is now banned as it was hazardous and potentially dangerous as it left residues.
We don't recommend you use this product.
Triclopyr
A selective weed killer that is used to kill woody weeds such as brambles, nettles and unwanted saplings.
It's formulated so that it won't kill grass and can be used safely in turfed areas. Typically mixed with water in a knapsack or sprayer but can also be used in a watering can.
It's one drawback is that it persists in soil for up to 6 months meaning you can't replant after use.
Strong weed killer, that kills everything it touches.
The worlds most popular is also the world strongest weed killer. The winner is Glyphosate.
Why? Because it works well in almost any situation (except lawns and aquatic environments).
It kills 99% of weeds in one application. It's also safe to use as long as it's used correctly.
A special mention goes out to vinegar and salt. If you're just killing some small weeds on your gravel drive or block paving then try one of these first.
Got Weeds? Get the Most Effective Weed Killer
Tough, Fast & Effective Against ALL Weeds.
I need to treat a neglected half acre garden, with well established rampant bramble takeover. The problem is that due to the terraced nature and various stone walls much of this is not diggable. I need the most effective and quickest systemic eradicator. Not easy, but have read that a COMBINATON of Triclopor and min 360g/lt Glysophate will definitely do the trick. Is this so? obviously this has to be tackled year on year, but need quick initial clear-out. This is in Devon, so brambles grow most of the year due to the mild, wet climate in Winter.
I don’t envy you, SBK brushwood should work well
I want to kill everything, that means brambles weeds exct , what do I buy,and where , thank you
Glyphosate based weed killers should do the job
what have you got to kill off mares tail?
Try Kurtail
Hello. I really need advice on how to get rid of unwanted grass, shrubs etc. I have a useless piece of area that there’s nothing I can do with but I’m liable for keeping it trim..a job that I cannot do…so I would like advice on strong killer to eliminate them.
Glyphosate is good and will kill pretty much all plant life
My rock beds have tones of weeds, I’ve used total vegitation killer and still have weeds popping up everywhere, in so ca
Yes, the weeds will always grow back, if you have bare soil, weeds will blow in from your neighbours, grow, and lay more seeds, it’s a never ending battle
Except it is believed to be carcinogenic
Indeed but so are many other things, vinegar, bleach, salt, red meat – lots of things are carcinogenic, always read the label for safe use
Where can you purchase this
https://goodgrow.uk/buy/
Great information, Thank you.
I have horsetail weed I’ve used300 pounds of rosette and it’s still growing widely,can you help please.
Try Kurtail, it’s specifically made for the problem
I have approx 16-17 square metre of fencing covered in ivy. would you kindly recommend one of the glyphosate weedkillers.
I have read all reports on them and all of them reckon they are the best but customers seem to have had bad results on some of them,thank you.
Any one should work, you will probably need to apply multiple times
What will I use to kill off Japanese anemones and still be able to use the area next spring ?
Anything Glyphosate based will work
What is the best weed killer to kill off horse mate tail
There is a product called Kurtail
I found an old plastic bucket of Sodium Chlorate in a friend’s garden shed. I remember using the stuff long ago quite safely from a watering can with a rose sprinkler. I believe the mixture to have been 2 dessert spoons to 10 lt. Please could you verify?
Kind regards,
McGillycuddy.
Sadly it was before my time so I can’t help
My patio has about 600 paving slabs and it an on going hard work to get rid of weeds, because of a little pet dog I use burning flame it become expensive buying gas cannisters.
My questions; As per your tip using salt.
Salt, is that normal table salt?
How much salt, and washing soap per one litre of water.
How long before my pet dog need to wait before going on the patio?
For salt and washing soap your dog will be fine. Use as much salt as you can. Normal table salt will work fine
Sodium chlorate was used by the IRA for bombmaking and was banned. (They shifted to Semtex anyway.)
It likely does not leave a dangerous residue. Potassium chlorate would be a serious fire and explosion hazard but sodium chlorate is deliquescent and absorbs water from the atmosphere preventing this risk.
as kids we made cherry bombs for fire works with 50/50 sodium chlorate & sugar – in ping pong balls , them were the days …..
I have a 15-gallon spray tank that I use to put down weed killer (ground clear). can you tell me what the ratios would be using vinegar, salt, and dishwashing liquid? Do you need any water?
Use as much vinegar as possible, a squeeze of dish soap and a lot of salt. Table salt is cheap and depending on the vinegar + type of weeds a 50/50 dilution usually works
Undiluted i best 3 parts vinegar to one salt
Hi , I have used 20% vinegar successfully before, and have more coming from on line purchasing ( UK ) . However, the sprayer has now ” melted ” due to the acid content. Do you know of any acid resistant sprayers ?
Would appreciate your advice
Thanks , Mike
Sadly the acid will melt some types of plastic, you could try a lower strength or cheap watering can
Sadly, due to the acidic nature it is always likely to “melt” the seals
We haven’t found anything that works, homemade or store bought. An employee of our electricity company gave us a small sample of the formula they use to keep the power lines free of trees and brush, trying it this weekend, hope it works.
I have tried all of this, the only thing that I have found that works is acid that is used to strip paint, like Klean-Strip.
Excellent reviews. What proportion of salt boiling water Vinegar and washing up liquid do you suggest?
Many thanks
At least 50% vinegar, as much salt as you can mix, smaller weeds will die quicker
As much of each as possible if your looking to kill everything
How much salt to vinegar to water and the other one that starts with the G I’m a first time home owner with a bad back and have lots of rocks and the former owner told me if I don’t get the weeds out of the rocks the HOA WILL FINE PER WEED so I need to know what kills dandelion weeds to the root.
Salt and Vinegar
Because they’re so dangerous to other plants, it’s best to use salt and vinegar in places like walkways where weeds grow between bricks or pavers — basically, anywhere not adjacent to or within a prime growing area.
A concentrated pour is generally a good way to go, or you can use a spray bottle with a focused stream rather than a diffused wide spray so the weed killer goes where you want it and nowhere else.
If you’re using it on, say, a rock wall with a moss problem or a meandering walkway with grass sprouting up, then it might do the trick for you. Still, many experts aren’t a fan of this natural weed-killing solution, so expect your mileage to vary.
Using Salt to Kill Weeds
Water-diluted salt will do a good job on its own with weeds if you don’t have vinegar around. Start with a ratio of 3 parts water to 1 part salt — table salt will do — mixing until combined. Apply this carefully to the weed-prone area.
The trouble is that sodium is a mineral, and the sodium ion won’t vanish, so it can be a problem for anything you plant there down the line, hence why you want to be careful using salt.
For areas in which you’ll plant again, simply mix a liter of vinegar with a teaspoon of liquid dish detergent. Spray as needed on weeded areas, as there’s no fear of it leaving a toxic residue above or below ground. Just don’t expect it to be as effective as you hope because household vinegar just doesn’t cut it.
Salt, Vinegar and Soap Mixture
The University of Maryland Extension’s studies on vinegar being an effective weed killer were done with a 20-percent-acidity vinegar, which can be dangerous since it’s toxic and can burn skin let alone plants. Stick to the usual 5 percent acidity in household vinegar. The same goes for salt — normal, cheap table salt is all you need. The brand doesn’t matter for liquid dish soap either, as you only need a few drops.
To 1 gallon of white, 5-percent-acidity vinegar, add 2 cups of salt and 1 teaspoon of soap. Stir or shake until all the salt dissolves. Apply it to your weeded area with care. It may take several applications to get down into the root and kill the plant entirely.
Others recommend a weaker solution of 1 gallon of vinegar, 1 cup of salt and 1 tablespoon of dish detergent. Combine them and use them in the same fashion. Either concoction will keep indefinitely once mixed.
Try to mix as much of each, usually 3 parts vinegar 1 part salt
Very useful info so thank you but will any work on bamboo
Yes, they all should
Tried pulling them cutting digging spraying the salt vinegar soap and store bought crap a few more times then I should. I need the big guns what kills weeds? I have Clover , dollar weed, sedge, and I call baby dollar weed. Its small leaf 1/4 the size and grows like a mat rather then a stem up. Need to level the yard and start again since heavy equipment tore up the yards
Try Glyphosate based weed killers, they are the most popular for a reason 😉
If I use a Glyphosate weed killer, how long would it be that i could plant veg etc and would it be harmfull to chickens
Keep the chickens away till it’s dry, I wouldn’t let them eat it either, so maybe fence it off or net it over till it’s all dead… Planting veg can be done once the weeds are dead
You used to sell a weed kill dispenser. Unfortunately the little red “plug” got blasted out of mine and it no longer works. Is there any chance I could buy a new dispenser. (It’s the easiest I’ve ever used)
Here’s hoping
Sorry we don’t sell it anymore, try a spear and jackson sprayer, they are very good
The back entry to our house is overgrown with all sorts of weeds, but we also have lots of dogs and cats, so I NEED a animal safe weed killer, please can you help! Thank you Loretta Bossons
Hi Loretta, try these DIY weed killers you can make at home : https://goodgrow.uk/6-super-effective-homemade-weed-killers/
I need advice on how to permanently get rid of bindweed. It plagues my border every year. I have tried digging it out but any small amount left comes back 10 fold! Annoyingly it is in with a lot of perennial stock I have built up over the years. What is the best solution?
You can apply a systemic weed killer selectively with a paint brush or other accurate application device, a sprayer or watering can will likely result in drift to perennials you would I assume like to keep… Most strong weed killers only kill plants that absorb it through the leaves (foliage), they don’t soak into the ground and kill everything
I bought the SBK ‘tough’Weedkiller, its useless. Don’t buy this product.
Give it time, it disrupts the hormones in plants, it doesn’t work instantly
Hi
I am inundated with mares tail. The roots are deep and long and it survives all weed killers I have tried.
Any solution please?
Does this product work on moss? Scrubbed my very large tarmac drive, every garden wall and between patio flags with a wire brush last year and can’t beat the thought of having to go through that again!!! Thanks!
Yes but bleach is just as effective against moss
How do I know that dogs or cats or even hedgehogs won’t be poisoned ?
Don’t spray it on them and keep them out the area until it has dried
Does this eradicate horsetail
Yes but it will take multiple applications over several seasons depending on how long it has been established
Does this kill bamboo shoots
Yes
I have a ground cover weed I can’t get rid of have tried everything an glyphosate vinegar salt ground clear kills all roundup and another guy used stuff to guarantee it still no results please help don’t know ur costs. An the stuff I used I mixed it strong
Got any pictures? Send them to [email protected]
I have Horsetail and need some crossbow do you sell that?
Sadly not
Is this the best for clearing a tarmac tennis court from moss
No, it’s best to use a dedicated moss killer
IF I PAINT WEED KILLER ON THE STEMS OF AN INVASIVE BULLRUSH, WILL IT GO INTO MY POND THROUGH THE ROOTS AND KILL MY FISH. SCARED TO PULL IT OUT AS IT MEANT WRECK MY LINER !!
Do not use weed killer near water, most of them persist in water and are harmful to aquatic life
A lot of sad people on here wanting to kill, kill, kill, plants that they dont like to look of. All pesticides should be banned. Introducing toxic chemicals into the environment is a Pandoras box, once the genie gets out you cant put it back. Glyphosate…yes all those convenient ‘truths’ that you have been told about it originate from the manufacturer ‘Monsanto’. A huge disreputable company effectively controlled by one man. Glyphosate has now turned up in water supplies and at least one person in USA succesfully sued Monsanto for causing cancer in his body. Weeding is to some extent an arrogant human desire to see everything neat and tidy and it will come back to bite you. Guess who markets those GM crop seeds that are not affected by Glyphosate. How do you now get rid of those rampant ‘weed’ varieties that are now resistant?
I havnt used weed killer for decades, my garden has brambles, nettles, bindweed all under a certain control but left to feed bees etc from their flowers.
Some weeds are invasive and need to be eliminated but I agree. However not everyone does, one mans weeds is another mans bramble jam… Or another mans thorn infested dog / child… or as you say a bumble bees dinner!
Weed killers have there uses for sure, maybe not so much for mass spraying on crops, as always, read the label for safe use.