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Unusual Weed


 
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judepd
Rank attained: Hazel Tree
Rank attained: Hazel Tree


Joined: 15 May 2012
Posts: 10
Location: Galway

PostPosted: Thu May 17, 2012 8:44 am    Post subject: Unusual Weed Reply with quote

Hi,

Can anyone help me to identify this unusual ugly weed? I just bought a new house and its prolific in one part of the guy. Also what's best to kill it? I used roundup but it seems to have multiplied since.

Thanks,

Peter



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Sive
Rank attained: Chlorophyll for blood


Joined: 18 Apr 2008
Posts: 1731
Location: Co.Wexford

PostPosted: Thu May 17, 2012 9:47 am    Post subject: Reply with quote

Oh dear, it looks like horsetail.
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medieval knievel
Rank attained: Chlorophyll for blood


Joined: 03 Sep 2007
Posts: 1008

PostPosted: Thu May 17, 2012 10:31 am    Post subject: Reply with quote

it's very resistant to weedkiller as it doesn't have leafy surfaces for the weedkiller to work its way in.

http://www.botanicalgarden.ubc.ca/forums/showthread.php?p=293822
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judepd
Rank attained: Hazel Tree
Rank attained: Hazel Tree


Joined: 15 May 2012
Posts: 10
Location: Galway

PostPosted: Thu May 17, 2012 10:41 am    Post subject: Reply with quote

Thanks. Its horsetail alright. Great to know its name at last but depressing to find out how resistent it is. Its growing on a gravel path so its look like I will have to dig that up and either discard all the gravel or soak in vinegar.
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judepd
Rank attained: Hazel Tree
Rank attained: Hazel Tree


Joined: 15 May 2012
Posts: 10
Location: Galway

PostPosted: Thu May 17, 2012 12:07 pm    Post subject: Reply with quote

Just read the worse thing to do is to try digging it up so I'm going to cut the heads and spray ammonium sulphate or glyphosate on the cut heads and keep repeating for years. I'll also soak the sandy/gravel in vinegar and possibly cover the whole are in black plastic.


I like this article as it gives hope http://www.ehow.com/how_7530031_remove-horsetail.html
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Silver surfer
Rank attained: Native hedgerow keeper


Joined: 25 Feb 2010
Posts: 485
Location: PERTHSHIRE. SCOTLAND. U.K.

PostPosted: Thu May 17, 2012 12:15 pm    Post subject: Reply with quote

It is also called Horse tail..Equisetum.


http://en.wikipedia.org/wiki/Equisetum

Every time you take the head off,instead of one stalk you will get 5-6 from the cut end.

You will, I fear just have to live with it.

Or as it said on the radio years ago on Gardeners question time... Move house!
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Greengage
Rank attained: Chlorophyll for blood


Joined: 09 Nov 2011
Posts: 2747
Location: Kildare

PostPosted: Thu May 17, 2012 5:59 pm    Post subject: Reply with quote

I agree with silver surfer of all the weeds you could get this is the worse,
If it was brought in and you catch it early you have a chance, Roundup is the only thing regular application, If it gets established you have lost the battle, Sell and run like hell. Now having said all that I have lived wit it in the past for a long time it will not survive in lawns but veg plots and herbaceous borders no chance unless you convert everything into a lawn and cut cut cut eventually it will starve itself.
Concrete or tarmac will not stop this blighter.
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Anonany
Rank attained: Hawthorn Tree
Rank attained: Hawthorn Tree


Joined: 09 May 2011
Posts: 67
Location: Bray, Co Wicklow

PostPosted: Fri May 18, 2012 6:56 pm    Post subject: Reply with quote

As others have said, it's the very devil but -- given time and effort -- Roundup will eventually see it off.

The suggestion I came across was to really bruise it (to break up the waxy coating) before applying the weedkiller. My solution was to lay the stems and leaves over a rock and beat the living daylights out of them with another rock prior to each application. It took quite a while -- 5-6 years perhaps ? -- with at least three applications per year ... but I did eventually get rid of it some ten years or so ago !

The real trick ? Wait until someone/something has really annoyed you ... then take out all your pent up aggression on the horse tail !
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Matt
Rank attained: Hazel Tree
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Joined: 31 Mar 2012
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Location: limerick

PostPosted: Sat May 19, 2012 11:58 am    Post subject: Reply with quote

Hi Judepd
You could use a weed -wand burner I have had one for a few years and find it very good I have eradicated bindweed in most of my garden with it and am working the last area now with glyphosate and a sponge in my raised beds might be worth a try
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