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#1
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Onion Grass
For about a year now I've been working on the sand trap that is my front
yard trying to get the grass to come back to life. Towards the end of summer there was finally a sign of life & the grass (cooch unfortunatey) started to grow. Since then the whole yard has also been infested with onion grass. I've done a bit of research & it looks like the only way to get rid of the stuff is to either pull it out or to remove all the grass, weeds & top soil & start from scratch. Because of the amount of lawn that's infested, & because I was intending to rip up half the grass to put in garden beds anyway, I've decided to go with the second option. My question is - how much, in depth, has to be removed to ensure the weed's bulb is also removed? |
#2
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Onion Grass
Wanda wrote:
For about a year now I've been working on the sand trap that is my front yard trying to get the grass to come back to life. Towards the end of summer there was finally a sign of life & the grass (cooch unfortunatey) started to grow. Since then the whole yard has also been infested with onion grass. I've done a bit of research & it looks like the only way to get rid of the stuff is to either pull it out or to remove all the grass, weeds & top soil & start from scratch. Because of the amount of lawn that's infested, & because I was intending to rip up half the grass to put in garden beds anyway, I've decided to go with the second option. My question is - how much, in depth, has to be removed to ensure the weed's bulb is also removed? Dig around, carefully following the onion grass down till you get to the bulbs, see how deep they are. In clay, I can follow them 30+ cms then lose them, but it might be less in sand. Jane |
#3
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Onion Grass
Spray in patch format the offending grass with round up. The patches
will look ugly for a while but the couch will win esp if you feed it. In article , "Wanda" wrote: For about a year now I've been working on the sand trap that is my front yard trying to get the grass to come back to life. Towards the end of summer there was finally a sign of life & the grass (cooch unfortunatey) started to grow. Since then the whole yard has also been infested with onion grass. I've done a bit of research & it looks like the only way to get rid of the stuff is to either pull it out or to remove all the grass, weeds & top soil & start from scratch. Because of the amount of lawn that's infested, & because I was intending to rip up half the grass to put in garden beds anyway, I've decided to go with the second option. My question is - how much, in depth, has to be removed to ensure the weed's bulb is also removed? |
#4
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Onion Grass
"Wanda" wrote in message
. .. For about a year now I've been working on the sand trap that is my front yard trying to get the grass to come back to life. Towards the end of summer there was finally a sign of life & the grass (cooch unfortunatey) started to grow. Since then the whole yard has also been infested with onion grass. I've done a bit of research & it looks like the only way to get rid of the stuff is to either pull it out or to remove all the grass, weeds & top soil & start from scratch. Because of the amount of lawn that's infested, & because I was intending to rip up half the grass to put in garden beds anyway, I've decided to go with the second option. My question is - how much, in depth, has to be removed to ensure the weed's bulb is also removed? Have a dig around to get an idea of the depth they get. Depending on soil types it's hard to guess, but depth wise I wouldn't expect any deeper than 20cm. I can't remember if it was for nut grass, or onion grass, or both, but the time to spray to kill is in August. Apparently it takes it into the bulbs and kills them. I know at work we have over come a problem of onion grass by repeated spraying, but that was in a garden situation, not lawn. My guess is that if you did hit it with roundup in August, then again 4 weeks later, then get the couch going, then spot spray/paint on roundup for any that comes through. After the couch takes over, and with normal mowing, the onion grass shouldn't be a problem Good luck |
#5
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Onion Grass
"Andrew G" wrote in message ... "Wanda" wrote in message . .. For about a year now I've been working on the sand trap that is my front yard trying to get the grass to come back to life. Towards the end of summer there was finally a sign of life & the grass (cooch unfortunatey) started to grow. Since then the whole yard has also been infested with onion grass. I've done a bit of research & it looks like the only way to get rid of the stuff is to either pull it out or to remove all the grass, weeds & top soil & start from scratch. Because of the amount of lawn that's infested, & because I was intending to rip up half the grass to put in garden beds anyway, I've decided to go with the second option. My question is - how much, in depth, has to be removed to ensure the weed's bulb is also removed? Have a dig around to get an idea of the depth they get. Depending on soil types it's hard to guess, but depth wise I wouldn't expect any deeper than 20cm. I can't remember if it was for nut grass, or onion grass, or both, but the time to spray to kill is in August. Apparently it takes it into the bulbs and kills them. I know at work we have over come a problem of onion grass by repeated spraying, but that was in a garden situation, not lawn. My guess is that if you did hit it with roundup in August, then again 4 weeks later, then get the couch going, then spot spray/paint on roundup for any that comes through. After the couch takes over, and with normal mowing, the onion grass shouldn't be a problem Good luck Thanks for your response Andrew. I'll give it a try. |
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