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Thread: Herbicide to kill grass/weeds in existing garden bed.

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    Member Kingy's Avatar
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    Herbicide to kill grass/weeds in existing garden bed.

    I have a couple of garden beds being overun with winter green grass. They have some existing plants and in some cases the grass is growing up and thru other plants or ground cover that I want to keep. Is it possible to get a selective grass herbicide that will not kill the existing plants? I have spent time the "manual" way in the past but the existing plants are making it harder and harder to do this and I dont really have the time at the moment so was hoping for a quick (though possibly temporary) solution.

    Any suggestions?

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    Member Kristy's Avatar
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    It's called fusilade. it costs shitloads
    will selectively kill monocots, but leave dicots unharmed
    u can get it from rural supply places I believe (not hardwares etc)
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    which ever of those chemicals you end up using, stick to the recommended ratios on the bottle is my tip.
    All that happens if you think "I'll go a bit stronger", is more stuff dies in a larger diameter than you planned.
    Dont ask how i know
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    Quote Originally Posted by Kristy+x View Post
    will selectively kill monocots, but leave dicots unharmed
    Engressh plz????


    And how much is "shitloads"???

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    if you don't have any plants in the garden bed or want to replace them, ge tthe builders black plastic and cover the garden bed with it. secure it so it doesn't blow away and leave for a few weeks. basically it bakes the grass roots with heat and denys sunshine and kills em. it's what i'm doing ATM.

    thought it may not work well in winter.
    w00t!

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    You can buy weed matting that is made specifically for the use as opposed to black plastic. The matting allows the soil to still breathe whilst heating & killing the weeds.
    Failing that, just do what I do - get my missus to look after the gardens. She seems pretty capable of killing off anything green
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    Basically it will kill grasses, not trees or the vast majority of shrubs you may have in your garden. it will kill things with a parallel vein structure (eg grasses). Have a look at the leaf structure - if the veins run parallel to each other, it will kill those plants. If the plants you want to keep have a vein structure that branches out (in a v-shape) either side of the central, main vein, they will survive being coated with it (eg grevilleas, trees etc).
    Plants you may have that will be killed by the fusilade are things with strappy leaves like kangaroo paws, lily's etc - they are monocots and have a parallel vein structure.

    As I understand, it costs about $100 for a litre? I did get some free from a PSB member - he might come and play in this thread if you're lucky. Just don't wanna name him incase he's not able to do the same again.
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    If you are a greenie, pull weeds away from plants, then spread chook poo or similar over everywhere then lay newspaper (8+sheets thick) in overlap. Then put mulch or straw over it. Weeds etc will die and eventually the newspaper will break down. If you want to plant anything just punch a hole through the newspaper. Have used this method to great effect in the past.
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    i have found some weed matting didnt let the water through and then all the plants died. though the plant death may have been my superior lack of garden skills.
    w00t!

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    Glyphos it!

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    coat said grasses with some diesil out of a spray bottle that seems to get rid of them around our place
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    Quote Originally Posted by baxter View Post
    coat said grasses with some diesil out of a spray bottle that seems to get rid of them around our place
    and then add a match??

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    ah diesil is a bit too hard to light like that it suffocates the grass some how, but if you feel like doing a a pyro special then nothing can go past the good ole blow torch
    A motorcycle is a joy machine. It's a machine of wonders, a metal bird, a motorized prosthetic. It's light and dark and shiny and dirty and warm and cold lapping over each other; it's a conduit of grace, it's a catalyst for bonding the gritty and the holy.

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    Quote Originally Posted by Kristy+x View Post
    It's called fusilade. it costs shitloads
    will selectively kill monocots, but leave dicots unharmed
    u can get it from rural supply places I believe (not hardwares etc)
    Fusilade "targa" - i have it. What area are you trying to treat? Let me know i and i can measure you out some. PM for further details.

    Quote Originally Posted by Kingy View Post
    Engressh plz????


    And how much is "shitloads"???
    $140/L

    Quote Originally Posted by Kristy+x View Post
    Basically it will kill grasses, not trees or the vast majority of shrubs you may have in your garden. it will kill things with a parallel vein structure (eg grasses). Have a look at the leaf structure - if the veins run parallel to each other, it will kill those plants. If the plants you want to keep have a vein structure that branches out (in a v-shape) either side of the central, main vein, they will survive being coated with it (eg grevilleas, trees etc).
    Plants you may have that will be killed by the fusilade are things with strappy leaves like kangaroo paws, lily's etc - they are monocots and have a parallel vein structure.

    As I understand, it costs about $100 for a litre? I did get some free from a PSB member - he might come and play in this thread if you're lucky. Just don't wanna name him incase he's not able to do the same again.
    I wish, last time it was $120/L - in 5L containers
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