Please Identify This S.A. Lawn Weed +

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Please Identify This S.A. Lawn Weed +

Postby abrogard » Fri Feb 03, 2017 10:27 am

New place. All under the hills hoist infested with this burr carrying thing.

Scraped it all out. Now got a dust bowl.

I'd love to know what it is.

And I've love any advice on how to best get some quick cover on this area...

Here's the pics:
http://pasteboard.co/tG6hy1xTl.jpg
http://pasteboard.co/tG9xYdvCN.jpg
http://pasteboard.co/tGakO9Ri6.jpg
http://pasteboard.co/tGbaAkFbP.jpg
http://pasteboard.co/tGbNfpAN2.jpg
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abrogard
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Re: Please Identify This S.A. Lawn Weed +

Postby Pam » Sat Feb 04, 2017 6:24 am

Cat Head, Goats Head, Double-G's depending on where you live, AKA Calthrop. Nasty little suckers! The quickest way of getting some cover there would be some strips of turf, or some runners from elsewhere. You can get good coverage fairly quickly and cheaply from turf strips by simply slicing them into smaller strips and popping them in with a bit of space between them. I'd probably be inclined to water the area well for a couple of weeks though and let these little nasties as they pop back up - pull them out or get an old steak knife or whatever and slice them off below the ground.

You're going to have them come back up from seeds - learn what the new plants look like and keep an eye out for them. They're very easy to get out when very young and won't do any damage to your lawn at that stage. Whatever you do, never, ever let them get to the stage of flowering before you pull them out because the whole cycle starts again if you do. From memory the seeds can remain viable in the soil for up to 7 years.
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Re: Please Identify This S.A. Lawn Weed +

Postby abrogard » Sat Feb 04, 2017 5:57 pm

Calthrop. I've heard that name around. That's what it would be locally I guess.

Thanks for the advice. I will start in watering straight away.

Runners? Like Kikuyu? I've got access to plenty of that. Seed the area with it, I guess...

:)
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Re: Please Identify This S.A. Lawn Weed +

Postby Pam » Tue Feb 07, 2017 5:47 am

Yes, kikuyu is fine if that's what your lawn is. It should fill in in no time.
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Re: Please Identify This S.A. Lawn Weed +

Postby abrogard » Tue Feb 07, 2017 7:49 am

We have a front lawn there that I seeded with kikuyu runners. Some months ago now. Maybe three?

It was seeded with commercial lawn seed the previous winter and a good lawn came up which got destroyed immediately by the first hot days of spring - we get hot spring days here in SA that might even be hot summer days... then it goes cool.. then it goes hot.... That's SA.

So I seeded it with kikuyu runners from the back and they took well. I got maybe 75% coverage at a guess. You know, grass with patches of earth.

But come summer now that lawn has stopped dead.

First hot days around high 30's browned it off and it looked dead like that previous one but being kikuyu it came good after a bit of watering.

But it is not progressing. I guess I'll have to wait for Autumn before it starts on its first real growth and becomes a real lawn. It is still patchy.

Point of telling you that is: perhaps I should wait before attempting to put the kikuyu in here? We still are going to get some more 40 degree days. Or if I give it better treatment - daily watering - it'll maybe go alright? What would you guess?
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Re: Please Identify This S.A. Lawn Weed +

Postby Pam » Wed Feb 08, 2017 5:36 am

With an established lawn, deep watering less often is better than watering daily. While they are getting established they tend to need it a little more frequently. We found with kikuyu that mowing regularly will encourage it to spread better. If you have areas that have not covered, simply loosen up the soil a bit if it is compacted and pop more runners into those areas.

I'd probably be inclined to put off doing it until the really bad heat has passed. I can't see that being a lot longer in SA anyway.
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