Cirsium arvense--Canada Thistle: It's characteristics and history, plus alternative weed control strategies. ... About Canada Thistle: Unlike other thistles the male and female flowers appear on separate plants in the ... You must read the range ecology sections of this website before applying any tool of weed control.
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www.wildflowers-and-weeds.com/weedsinfo/Cirsium_arvense...
www.wildflowers-and-weeds.com/weedsinfo/Cirsium_arvense.htm
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Carduus nutans--Musk Thistle: It's characteristics and history, plus alternative weed control strategies. ... Musk thistle thrives in areas where livestock have lingered, especially bedding areas where stock return to the same ... It is easy to reach for a tool like fire, mowing, or herbicides to attack an out-of-control weed,
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www.wildflowers-and-weeds.com/weedsinfo/Carduus_nutans....
www.wildflowers-and-weeds.com/weedsinfo/Carduus_nutans.htm
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Web site description ... Bull thistle is a clumping biennial that forms a thick taproot in its first growing season. The leaves of bull thistle are covered with 'soft' hairs and needle-like spines on the margin. Leaves of seedlings are not deeply lobed like mature leaves.
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www.msuturfweeds.net/details/_/bull_thistle_19/
www.msuturfweeds.net/details/_/bull_thistle_19/
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Current Weed List:; (Common Names) ... * BULL THISTLE ... * CANADA THISTLE...
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weedid.aces.uiuc.edu/
weedid.aces.uiuc.edu/
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Creeping thistle is a problem weed in gardens too. Creeping thistle colonies can expand radially by 6 to 12 m per year and will dominate large areas of vegetation if left unchecked. Patches of creeping thistle may be formed from a single clone but often contain the shoots of several individual genotypes.
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www.gardenorganic.org.uk/organicweeds/weed_information/...
www.gardenorganic.org.uk/organicweeds/weed_information/weed.php?id=5
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Name: Smooth sow-thistle; ( annual sow-thistle, milk-thistle, swine thistle ); Latin name: Sonchus oleraceus L. Occurrence: Smooth sow-thistle is a native annual or overwintering weed common on arable land on most soils throughout the UK.
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www.gardenorganic.org.uk/organicweeds/weed_information/...
www.gardenorganic.org.uk/organicweeds/weed_information/weed.php?id=54
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Integrated Weed Control; 4027 Bridger Canyon Road ; Bozeman, MT 59715-8433 ... Cassida rubiginosa: The larvae and adults of this beetle feed on the stems and foliage of Canada and musk thistle. Overwintering adults begin feeding and laying eggs in early spring. Feeding is continuous until well after the first frost.
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www.integratedweedcontrol.com/canadath.htm
www.integratedweedcontrol.com/canadath.htm
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Russian Thistle – Also known as Tumble weed. ... This is an annual herb, not a weed, but most states have this categirized as a weed. It will grow to be .5-6 feet tall. These weeds can be found almost year round in the southwest. It can grow in elevations between 150 – 7,000 feet and ususally flowers May to Oct...
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weedcontrolguy.com/2009/05/11/russian-thistle/
weedcontrolguy.com/2009/05/11/russian-thistle/
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“Burn out weed killer” is St. Gabriel’s Labs mixture of vinegar and lemon juice; it now also contains clove oil and is called “Burn Out II” (the sequel!)—but this is for normal weeds; it’s not strong enough for things like thistle or bamboo.
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www.gardensalive.com/article.asp?ai=468
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