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Killing Weeds

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  • donemedosh
    donemedosh Posts: 248 Forumite
    Eighth Anniversary 100 Posts Combo Breaker
    For the weeds any systemic weedkiller is good enough. I use both weedol & roundup both do the job but do not cut weeds as the chemical works better as the weeds are growing. If you have weeds in the lawn get a lawn weedkiller kills weeds not grass. As for the lawn I would just cut it for now & then Autumn time reseed & topdress if you try to sow seed now you will have to water it more or less daily.
  • bris
    bris Posts: 10,548 Forumite
    Part of the Furniture 10,000 Posts Name Dropper
    The cheapest way is to use a vinegar and salt combination in a fine sprayer, this kills weeds more effectively than most of the useless overpriced weed killers I have bough over the years,

    Rosate 360 is the professionals choice which I used to kill off a larger part of my garden that just went out of control, it works well and 6 weeks later it was cultivated and reseeded, It looks pretty good now but weeds are determined and they find a way.. I use the vinegar, salt combination to kill them individually as they appear and reseed but tbh it's a losing battle as the weeds seem to beat the grass seed everytime.
  • Troytempest
    Troytempest Posts: 332 Forumite
    Fourth Anniversary 100 Posts Name Dropper
    Keeping weeds out of a lawn is a process not an event.
  • TELLIT01
    TELLIT01 Posts: 17,986 Forumite
    Tenth Anniversary 10,000 Posts Name Dropper PPI Party Pooper
    A vinegar and salt combination may be cheap but it also contaminates the ground for an indeterminate time.  Glyphosate becomes inert on contact with the soil.
  • Grenage
    Grenage Posts: 3,193 Forumite
    Part of the Furniture 1,000 Posts Name Dropper
    If it's very weedy then go nuts with glyphosate.  Kill any weeds that appear until autumn then reseed the lawn.

    I bought rosate 360 concentrate online, and I suspect it will last a lifetime.
  • You've got it right about not cutting the weeds before spraying – they do need those leaves to soak up the weed killer properly.

    For a garden your size, with a mix of weeds, I recently found something that actually works and doesn't mess with my lawn: a selective weed killer won’t hurt your grass and has a surfactant to stick to those pesky leaves. There are a few options too - a spot spray for just a few weeds, a small concentrate for modest invasions, and a large concentrate for... well, when it’s more jungle than garden. It's cheap and cheerful too! 

    For those dry patches, give it a 2-3 week breather after spraying before you sow any new seeds. Lets the chemicals clear out so your new grass can thrive. 

    Hope this helps!
  • CliveOfIndia
    CliveOfIndia Posts: 2,516 Forumite
    1,000 Posts Second Anniversary Name Dropper
    gardeningenthusiast, your reply is undoubtedly well-intentioned.  But given that this thread is well over 2 1/2 years old, I suspect the OP has got it sorted by now :)
    (For information, the forum guidelines do request that old posts are not bumped unnecessarily)

  • Marb6145ky
    Marb6145ky Posts: 30 Forumite
    Part of the Furniture 10 Posts Combo Breaker
    You've got it right about not cutting the weeds before spraying – they do need those leaves to soak up the weed killer properly.

    For a garden your size, with a mix of weeds, I recently found something that actually works and doesn't mess with my lawn: it's a selective weed killer that won’t hurt your grass and has a surfactant to stick to those pesky leaves: https://www.relentlessgardener.co.uk/product/lawn-weed-killer-spray/.

    For those dry patches, give it a 2-3 week breather after spraying before you sow any new seeds. Lets the chemicals clear out so your new grass can thrive. 

    Hope this helps!
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