sirineou Posted March 10 Share Posted March 10 Friend of mine asked me about round up or similar weed killer that would hill some weeds but not hurt his grass. I did some researching it, with no success so far, so I thought I would ask here, Link to comment Share on other sites More sharing options...
Sheryl Posted March 10 Share Posted March 10 Anything that kills weeds will also kill grass (Roundup does, too) and also be generally toxic. And the first rain will wash it into flowerbeds, and even ground water supply and elsewhere. Do not use. If the weeds are on lawn just accept them and cut along with the grass. If they are in flower beds etc manually remove them. Only safe way. 1 1 Link to comment Share on other sites More sharing options...
kickstart Posted March 10 Share Posted March 10 11 minutes ago, sirineou said: Friend of mine asked me about round up or similar weed killer that would hill some weeds but not hurt his grass. I did some researching it, with no success so far, so I thought I would ask here, If you what a weed killer that will kill weeds and not grass look at MCPA or MCPB . If I remember, available on Lazada. 1 Link to comment Share on other sites More sharing options...
sirineou Posted March 10 Author Share Posted March 10 8 minutes ago, Sheryl said: Anything that kills weeds will also kill grass (Roundup does, too) and also be generally toxic. And the first rain will wash it into flowerbeds, and even ground water supply and elsewhere. Do not use. If the weeds are on lawn just accept them and cut along with the grass. If they are in flower beds etc manually remove them. Only safe way. I should not had said Round Up , but there are weed killers that would kill broadleaf plans and weeds without killing the grass, I remember using it in the US to control dandelion weeds I just googled it and "Tenacity herbicide is an industry favorite for killing weeds in your lawn without killing your grass " https://golfcourselawn.store/blogs/diy-lawn-care/best-products-for-killing-weeds-without-killing-grass#:~:text=Tenacity herbicide is an industry,broadleaf weed and grass species. anyway is there such a thing here in Thailand? Link to comment Share on other sites More sharing options...
Dolf Posted March 10 Share Posted March 10 26 minutes ago, sirineou said: Friend of mine asked me about round up or similar weed killer that would hill some weeds but not hurt his grass. I did some researching it, with no success so far, so I thought I would ask here, Weak sprays don't work well. Just use Roundup. It kills grass too but grass grows back. 1 1 Link to comment Share on other sites More sharing options...
sirineou Posted March 10 Author Share Posted March 10 14 minutes ago, kickstart said: If you what a weed killer that will kill weeds and not grass look at MCPA or MCPB . If I remember, available on Lazada. Thank you, Found it on Shoppe, 1 Link to comment Share on other sites More sharing options...
tuktuktuk Posted March 10 Share Posted March 10 At home in the US I’ve used broadleaf weed killers in spray and mixed with fertilizers as weed and feed. The active ingredient is 2.4-dichlorophenoxyacetic acid. It prevents weeds like clover and dandelions from growing without killing the grasses. Spraying roundup (glyphosate) on weeds in and amongst flowers works fine. Don’t spray so much that it runs off and leaves puddles. Wet the leaves or blades of unwanted grasses in mid day sun. It will evaporate leaving a residue that impedes cell growth and they die. Nearby tulips and daffodils are fine after this. Could be different here. 1 Link to comment Share on other sites More sharing options...
sirineou Posted March 11 Author Share Posted March 11 9 hours ago, tuktuktuk said: At home in the US I’ve used broadleaf weed killers in spray and mixed with fertilizers as weed and feed. The active ingredient is 2.4-dichlorophenoxyacetic acid. It prevents weeds like clover and dandelions from growing without killing the grasses. Spraying roundup (glyphosate) on weeds in and amongst flowers works fine. Don’t spray so much that it runs off and leaves puddles. Wet the leaves or blades of unwanted grasses in mid day sun. It will evaporate leaving a residue that impedes cell growth and they die. Nearby tulips and daffodils are fine after this. Could be different here. Thank you for that lead . I have been learning a lot from this tread. Yes I remember granules that we would spread with one of those fertiliser broadcasters everyone that has a lawn has. But I will admit I never bothered to check what was in them. I found this on shopee , it is described as (2-4 D. I could not find any further description of the active Agreement but 2-4 D sounds very close to 2.4-dichlorophenoxyacetic acid What do you think? https://shopee.co.th/product/5886616/9435253814?gad_source=1&gclid=CjwKCAiA0bWvBhBjEiwAtEsoWy2tzG4Hv-OA4cm6HbR2iDpII0K1oXzsCgG1iDj7rr_-v5rMEo6yOhoC5pUQAvD_BwE Link to comment Share on other sites More sharing options...
fredwiggy Posted March 11 Share Posted March 11 https://www.ubuy.co.th/en/product/2PTG8N9S-scotts-lawnpro-weed-and-feed-weed-control-plus-lawn-fertilizer-14-63-lb-51105-discontinued-by-manufa Link to comment Share on other sites More sharing options...
tuktuktuk Posted March 11 Share Posted March 11 1 minute ago, sirineou said: Thank you for that lead . I have been learning a lot from this tread. Yes I remember granules that we would spread with one of those fertiliser broadcasters everyone that has a lawn has. But I will admit I never bothered to check what was in them. I found this on shopee , it is described as (2-4 D. I could not find any further description of the active Agreement but 2-4 D sounds very close to 2.4-dichlorophenoxyacetic acid What do you think? https://shopee.co.th/product/5886616/9435253814?gad_source=1&gclid=CjwKCAiA0bWvBhBjEiwAtEsoWy2tzG4Hv-OA4cm6HbR2iDpII0K1oXzsCgG1iDj7rr_-v5rMEo6yOhoC5pUQAvD_BwE That’s the stuff. I’ve seen it referred to as 2 4 D also. It should tell you how big an area that can treat. Don’t over do it or it may kill more than you want. These chemicals are all toxic to some degree. Try to avoid breathing in any dust and keep it away from skin. 1 Link to comment Share on other sites More sharing options...
brianthainess Posted April 16 Share Posted April 16 On 3/10/2024 at 8:31 PM, Sheryl said: Anything that kills weeds will also kill grass (Roundup does, too) and also be generally toxic. And the first rain will wash it into flowerbeds, and even ground water supply and elsewhere. Do not use. If the weeds are on lawn just accept them and cut along with the grass. If they are in flower beds etc. manually remove them. Only safe way. I don't have that problem with that as I don't use it if rain is predicted. It doesn't kill anything near where I spray, it takes up to ten days to work, once it had dried on whatever it's sprayed on it doesn't dilute again easily, even if it does rain. I use this one posted by sirin Link to comment Share on other sites More sharing options...
0ffshore360 Posted April 16 Share Posted April 16 2-4 D was one of the ingredients used to make "Agent Orange" . Link to comment Share on other sites More sharing options...
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