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Hundreds of millions of dollars have been spent over the last 5 decades both in the U.S. and Canada on efforts to get rid of this painful scourge of North American farmers. But all to no avail. Nothing, not even strong poison, has been able to ... Those thistles were as tall as I was, and at 5'-7, nothing to sneeze at.
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www.truehealth.org/acanthis.html
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The Canada Thistle Closely related thistles, and very similar in appearance: ... The pale purple flowers grow in flat-topped clusters. This is an introduced plant now found at the Pacific coast and in the Interior. Between 2' - to 5' high. Pasture Thistle - Bull Thistle (Cirsium lanceolatum).
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www.truehealth.org/canthis1.html
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We have 160 acres and had several acres of Canadian thistle to get rid of. I couldn't waste time spraying anything that did not work well and kill the roots. ... You spray it at the base of the thisale bush and wait how ever long it say's to on the bottle and after the time is up you pull the hole thing out root's and all.
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www.thriftyfun.com/tf619427.tip.html
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There are many variations on how to get rid of thistle plants, ... Well, you're just in luck, because making thistle grazing material may also help in getting rid of it. Just be sure what thistles you want to get rid of—some thistles are poisonous! Thistles like canada thistle are non-toxic and reportedly very delicious...
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www.howtogetridofstuff.com/outdoor/how-to-get-rid-of-th...
www.howtogetridofstuff.com/outdoor/how-to-get-rid-of-thistle/
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Thistles are a night mare to get rid of. The roots are very deep into the soil. When it is not fully extracted, they will come back and increase in multiples. Hand-pulling will work but make sure to spray chemical herbicides such as Kill-X ...
http://wiki.answers.com/Q/How_do_you_get_rid_of_thistle...
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They are tough to get rid of once established because of their root and rhizome system. I really think the best alternative is to contact a professional exterminator. ... Q: I would like to know how late this fall I can spray for dandelions and Canadian thistle and still get effective control. (Lamoure County, N.D.)
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www.ext.nodak.edu/extnews/hortiscope/weed/thistle.htm
www.ext.nodak.edu/extnews/hortiscope/weed/thistle.htm
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I don't have much trouble with that weed here, but have heard the only way to get rid of it is Round Up: the roots go so deep. If the weeds are real close to other plants, put on a rubber ... This year I will be trying a mite that attacks the terminal growing point of the bindweed. I will let you all know how it goes. Caron...
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forums.gardenweb.com/forums/load/rmgard/msg051006071631...
forums.gardenweb.com/forums/load/rmgard/msg0510060716313.html
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I've also read that nothing gets rid of that thistle except pulling. :( ... danaoh> The mulch helps keep the newspaper moist as well as holding it down. I've never heard of using just the newspaper... You could try it to see how it works, but I would guess that the mulch is important.
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forums.gardenweb.com/forums/load/weeds/msg0712304610176...
forums.gardenweb.com/forums/load/weeds/msg0712304610176.html
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Biennial thistles tend to invade over-grazed or otherwise disturbed pastures, rangeland, roadsides, and waste areas. Movement into cropland is generally from nearby non-cropland or roadsides. Biennial thistles reproduce only from seed, so the key to a successful management program is to control the plants before flowering.
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www.ag.ndsu.edu/pubs/plantsci/weeds/w799w.htm
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