How to remove invading grass varieties from your lawn
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- เผยแพร่เมื่อ 20 พ.ย. 2019
- You may have noticed a grass in your lawn that doesn’t belong and it’s slowly starting to spread. Different grasses require different methods of removal and some are easier than others.
In this video we explain the common scenarios that occur with invading grass species and how to eliminate them from your lawn.
Kikuyu and couch are the number one suspects when it comes to lawn invasion, they are fast growing and have fine seeds that can spread very easily. Kikuyu is more aggressive in nature than any other lawn variety so it’s potential to take over is very high. It spreads by both runners and by seed. Both varieties can be difficult to remove as there are no herbicides that will safely remove them without harming your existing grass.
Invasion can occur a number of different ways:
• Not spraying out your soil base with glyphosate (round up) prior to the installation of a new lawn. This can allow the existing weeds to re-emerge up through your new turf.
• Grass seeds that have travelled to your lawn by the wind, on pets, in bird droppings, on clothing or shoes, or from a neighbouring lawn.
Some lawns, like DNA Certified Sir Walter, have a growth habit that will usually crowd out most weeds and unwanted grasses. But occasionally these undesirables will invade, especially if your lawn hasn’t been well maintained.
Pull it out by hand
If the invading area is only small the most effective way to remove an unwanted grass variety is to pull it out carefully by hand. You can chip them out with a mattock or a garden spade.
Spray with a non-selective herbicide
The only other way to remove kikuyu or couch from a buffalo, fescue, rye or bluegrass lawn is through the application of glyphosate (Round Up).
By using a small paint brush or weed wand carefully brush the leaves of the invading grass. Please be aware that glyphosate is a non-selective herbicide and be careful to only touch the invading turf variety and not your lawn, as it will die also if it comes into contact with the herbicide.
Kikuyu in couch
For a couch lawn that is suffering from an invasion of kikuyu, there are some selective herbicide options that will kikuyu but not the couch. There is a commercially available herbicide called Monument, which is used to eradicate Kikuyu from couch.
*Monument can only be applied on a home lawn by someone who commercially licensed and accredited to do so.
Rye grass in couch
If you have over sown a couch lawn with rye for the winter, you can also spray it out with Monument, Tribute or Destiny herbicides that are safe on couch and target cool-season grasses from warm-season grasses.
Buffalo in other turf varieties
Buffalo grasses require specific broadleaf herbicides for weed control. It is for this reason that an invading buffalo will likely be susceptible to common broadleaf herbicides that contain Dicamba. These herbicides are safe on kikuyu, couch and zoysia, but not buffalo.
A strong, thick and healthy lawn will be less susceptible to an invading grass species, so a good lawn care routine is key to keeping your lawn pure.
Lawn Solutions Australia is Australia’s largest network of turf specialists offering consolidation and consistency for its national network of turf production, product and research facilities.
We have the best grasses for today and we’re working on the best grasses for the future. But we are more than just turf suppliers. Our growers and suppliers are professionals who go the extra mile to make your lawn perfect. From expert advice about the best grass for your locality, to tips on calculating the amount of turf you need, and our highly professional turf installation services.
To compliment this, all Lawn Solution Australia members also offer premium lawn care products to ensure your lawn stays in great shape year-round. For more lawn care information and special insights into Lawn Solutions Australia, subscribe to our channel.
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You are a lucky boy, at 1:13 a bird just dropped some white gold on your T-shirt, lol
Very informative. Well done.
Bird pooped on the shirt.
Whoooooooosh
I’d be happy to have anything green at the moment in Brisbane west
this cured my depression
More info needed on turf what can we use to kill these notorious weeds
Hi there, any ideas on how to kill patches of Bermuda grass within my Palmetto Soft leaf buffalo turf? Pretty please!!
I have kaikiu taking over couch in my lawn. What should I do. It’s too much to pull off with hands. Suggest some spray which won’t kill couch’s and where to find it. Thanks
Hi Joe, great video thanks so much. I have the opposite issue that I would like to ask you. I have an infestation of couch growing in my Kikuyu lawn. It could be couch or a type of 'creeping oxalis' weed as the stringy surface roots sometime lead back to a yellow flower/clover cluster. My lawn is having a massive die off with lots of seeming dead Kikuyu thatch that has resulted in an uneven growing pattern. I used to have a beautiful Kikuyu lawn front and back but is dieing off and struggling to grow. I have recently identified the stringy surface root system weed all through my lawn. I think it must be couch, or creeping oxalis, I really dont know. I grows in all different areas of the lawn and its stringy runners can go for 30 to 60 centimeters before breaking off. I have a feeling this couch (I think) maybe strangling my Kikuyu. Would you agree with that? I have been manually weeding it out of my lawn for the last 3 months and it is an exhausting process. I have literally filled at least 3 full wheelie bins of the invasive couch since I began the exercise. Do you have any tips, strategies or solutions on how to speed up the process or getting rid of the stringy couch from my lawn. P.S. I am in Toowoomba, in Queensland. Thanks Joe.
Hi Peter, if we can take a look at some photos that will help us identify yhe particular weed or grass and we can recommend the best course of action. If you send them through to lawncare@lawnsolutionsaustralia.com.au we'll take a look and come back to you 👍
Joe - Monument lists ‘suppression’ only for Kikuyu on their web site. How can Monument kill Kikuyu with it being suppression only? Thanks for any tips and tricks in removing Kik from my Couch lawn.
Correct, this guy is full of hot air
DamoDoesAll Roger, Do you know of a way to deal with Kikuyu removal from couch?
I have found that dandelions sneak into our Sir Walter.
1:13 - by design or all part of the job?
we want to know! haha
I missed that one
OK guys I need to know. Was that a real bird dropping?
If only! unfortunately no it was just some well timed yoghurt.
@@LawnSolutionsAustralia Haha I love it. "OK bring the Camera, the products, and the yoghurt" What a production.
Am a kikuyu.In Kenya.The right pronunciation is Key‐Kuh‐Yuo
Will a buffalo killing herbicide get rid of the buffalo runners choking my gardenias, or will it kill my gardenias too?
I couldn't confirm how a lawn herbicide will go with your gardenias sorry. A herbicide that's not safe to use on buffalo like dicamba based products may make the buffalo sick, but it may not kill it. Safest option is to pull the buffalo runners out by hand, or chop them off with a shovel. They don't have underground runners so it is relatively easy to control and it won't pop up in your garden beds.
How long before buffalo dies back with dicamba? Seems to be very slow.
Dicamba isnt designed to kill buffalo, it will make it sick and likely surpress it but it most likely wont kill it.
Hi
Thanks heaps for the video
How to kill of buffalo lawn that’s growing out in my kikuyu lawn ?
Now it’s like half kikuyu and half buffalo
Reply highly appreciated. Thanks
Kleen selective weed killer at Bunnings does the trick
how do i kill buffalo grass in blue couch
Lmfao a bird pooped on your shirt
Never harm the cooch
I have tall fecus turf cost a fortune,now it has weeds it was put down in march last year how do I kill these weeds its spreading over my turf
as a trade hort i found the explanation of operational practice, poorly explained
We have different concepts of lawn. The predominant running grasses I have are Kikuyu and Couch, there are no other running grasses in it. However, there are a plethora of clumping grasses in it and it is these I wish to eliminate, not the Kikuyu or Couch. I believe, this is the predominant situation for the majority of Australian suburban homes particularly in rural towns, why is there no advice on that?. It is only the well off that get these boutique turfs, ordinary people can't do that. How about helping ordinary people.
Hi Ken, being a national group of turf suppliers who supply kikuyu, couch, buffalo and zoysia grasses, we offer advice on all lawns and turf varieties. We also address in some of our other video and blogs specific issues involving clumping grasses like winter grass and rye. This video is simply to address one particular issue involving warm season grasses growing in lawns where they are not wanted. if you have a specific question or issue you need assistance with we would be more than happy to help.
@@LawnSolutionsAustralia Well, OK then. I live in central west NSW and have lawns that are heavily infested with numerous types of clumping grasses and other weeds common to rural areas. All probably way too numerous to identify or treat separately. After having severe drought and water restrictions last summer, these weeds have multiplied and exploded. I have pulled out a lot but it's absolutely a loosing battle. I need something simple that will get the problem maybe 80% under control. I did a bindi/clover treatment much earlier in the season but there is still much bindi, clover and other weeds that have bounced back after looking sick a while. Its all just totally out of control. I dug out a lot of nut weed from one area over the last 2 years, only had 3 plants this spring but then today noticed a very large patch out front. This is a relatively new weed to the area but clearly spreading very fast. The actual lawn grass hasn't started grown much yet. The only reason for mowing is the weeds. So I guess I need something that will kill most things except the Kikuyu, couch, worms and insects.
@@kenwebster5053 thanks Ken, we would like to give you a call to help you with this, do you mind sending through your phone number to simon@lawnsolutionsaustralia.com.au?
@@kenwebster5053 the nut grass is very hard to kill. It will keep coming up as the seed lives for years in the soil like a lot of weeds. I hope you have received some good advice from Lawn Solutions and good luck with establishing a lawn.
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I have a Kikuya lawn Id like to renovate including getting rid of the rye grass that Id sown. Destiny Herbicide sounds like it would do the trick. $650 FOR A 250ml BOTTLE!!?!?!?!?! wtf.
Hey, yes definitely not cheap to spray out rye selectively and something to be considered when oversowing a lawn. We stock a product called Duke which is a cheaper option. More info on dealing with Rye and a link to Duke here - lawnsolutionsaustralia.com.au/lawn-care/other-lawn-maintenance/rye-grass-removal-and-oversowing/
I have kaikiu taking over couch in my lawn. What should I do. It’s too much to pull off with hands. Suggest some spray which won’t kill couch’s and where to find it. Thanks