OK, report - - all Canada thistle has a very bad belly ache. All Rights Reserved. If that's the case, get the stinger and let er rip! To kill the roots a late fall spraying before a frost is the only way to do it. For example, an herbicide with the ingredient chlorsulfuron (sold as Telar) is a suitable herbicide to use to eradicate Canada thistle that is growing in your lawn in the early spring when the shoots begin to rapidly emerge until it begins to grow buds. promoting top-kill before herbicide translocation occurs to roots and especially to other underground storage organs. I use one of the mixes based on 2-4-D labeled for consumers, basically generic Weed B Gon, at about label rate with good results. “Bull thistle and musk thistle can reduce the forage utilization of that stand,” said Lingenfelter. Product Drawbacks: May require the use of a surfactant for the product to stick better to weeds. I haven't seen one in my yard for a while. Myron, you need to take a serious look at where Saddlesore is doing this little project.... And remember it's a FEDERAL offense to use chemicals out of label, and on someone elses property without a proper applicators license and property owners permission... Saddlesore your best bet is to get ahold of the county weed and pest office and lean on them to get those thistles, especially as they are growing on "public" property. Each flower head measures approximately 2 inches. Also, the weeds need to be actively growing, not dormant. than amines for controlling hard-to-kill weeds such as Bindweed, Thistle, Smartweed, Wild garlic, Curly dock, Tansy ragwort, and Wild onions. Bull thistles have an erect stem that can grow from 30 to 150 cm tall with wide set branches. Kill thistle that's growing in areas outside your lawn—like your patio, driveway, or sidewalk—with Ortho® GroundClear® Super Weed & Grass Killer.. I tend to take care of it. Glyphosate: Herbicides containing glyphosate can effectively control bull thistle. I use 2-4D all the time to kill thistles in the yard. Bull thistle is also commonly found along trails, roads and vacant fields. “For a beef operation, the reduction can be between 42 and 72 percent. It was first recorded in the United States in 1852 at Harrisburg, PA. Bull thistle (Cirsium vulgare) is a plant that is related to the sunflower family but has none of the charm and beauty of those sunny-nodding flower heads.It is a prickly biennial that grows freely in disturbed soils, pastures, ditches, roadsides and unmanaged spaces. 2,4 - D LV4 Herbicide . Need some advice of which one to use 2-4D doesn't seem to work.Don't want to kill everything like Round Up does. I can't remember what I used off hand. Figure 1. It works on small patches of tough weeds and the grass usually comes back. 2,4 - D LV4 Herbicide . Spraying will kill the top of the plant only. The best time to treat biennial thistles with herbicides is in late fall or early spring when the rosettes are present but before flowering stalks are initiated.Musk thistle and bull thistle plants with seed stalks are more difficult to kill than the rosettes. 2. Milestone works great! For best results, apply this product as a water or oil spray during warm weather when young succulent weeds or brush are actively growing. Here in Pa. cutting alfalfa at least 4 times a year will kill the thistle growing in the alfalfa. Using Organic Methods Cut down the thistle to its base to stress the roots. Musk thistle is a biennial weed that reproduces only from seed. Leaves of young plants are fleshy, dark green, narrow, and about 1 inch in length. Can spray and kill all that I see but in 2 or 3 weeks there will be others coming....spray again. Not sure that applies in your situation right now but something to keep in mind. The roots of Canada thistle spread aggressively, and can increase the width of a thistle patch 6 to 10 feet in a season. In our pasture, I shred an area, let it warm up and just before the blooms start to turn to seed I shred it each year. For example, an herbicide with the ingredient chlorsulfuron (sold as Telar) is a suitable herbicide to use to eradicate Canada thistle that is growing in your lawn in the early spring when the shoots begin to rapidly emerge until it begins to grow buds. I expect to use two applications so I'm happy when the first one does it. As the root system spreads, it gives rise to new shoots. Each seed can remain viable for a decade. It is difficult to generate enough heat to kill the thistle's root crown and fire … In the winter, thistle is usually dormant. When maturin… The seeds are dispersed by the wind. HOW TO MIX Fill the spray tank half full, then add the required amount of this product and continue filling the tank with Canada and bull thistle are some of the varieties of thistle you may find in your lawn. Combining control methods is the best form of Canada thistle management. Ask at your local farmer's co-op what they recommend, or at the extension office. Learn which plants thrive in your Hardiness Zone with our new interactive map! What I have is a cuople of dry creek bottoms in a two community parks. Ranch.It is not public county owned land. Weeds can greatly impact the overall carrying capacity of a hayfield. It was off label; maybe there's one that's made for it now. I've had good luck using 2-4D but you need to use it on young plants...not so good if big and tuff. Going from memory here, too lazy to walk down to the chemical storage. 3. The flower heads quickly form hundreds of seeds. Also, our thistles have different growning seasons...I guess they're different kinds. Apply Shredder 2,4-D LV6 Herbicide to kill annual, biennial and perennial weeds such as bull thistle, cornflower, wild lettuce and goldenrod. I had a bad thistle problem a couple years ago. Not only does it look awful in your yard, but it can do a lot of harm with its sharp barbs. Perhaps one of the most noxious weeds in the home garden, Canada thistle (Cirsium arvense) has a reputation for being impossible to get rid of.We won’t lie to you, Canada thistle control is difficult and requires a significant amount of effort to be successful, but the effort you put into controlling Canada thistle will pay off when you have a garden that is free from this annoying weed. Use glyphosate for your garden, and use a broad-leaf herbicide containing 2,4-D or MCPP for your lawn. Bull thistle (Cirsium vulgare) is a plant that is related to the sunflower family but has none of the charm and beauty of those sunny-nodding flower heads. Lewis holds a Bachelor of Arts in psychology from the University of Maryland Baltimore County. It also helps restore diversity in areas overrun by many noxious and invasive weeds without posing a long-term threat to … Canada thistle has leaves that are hairless near the top but that may be or not be hairless on the lower end of the leaves. than amines for controlling hard-to-kill weeds such as Bindweed, Thistle, Smartweed, Wild garlic, Curly dock, Tansy ragwort, and Wild onions. Folks I talked to at the local ag chemical supply said that if you knock em down with Curtail now and hit em again right before freeze-up that should do em in but that there will always be some spot follow-up. The plant has colonized much of North America and is a pest plant in the garden and in agriculture. 2,4-D LV4 Herbicide is a specially formulated postemergence herbicide that provides effective control and suppression of brush, annual, biennial, and perennial weeds on CRP, grain sorghum, pastures, rangeland, fallow systems, and other crops. or sow thistles in your yard? Copyright © 2000-2020 24hourcampfire.com, Inc. All Rights Reserved. You will treat thistle differently depending on where it grows, such as near a water source, in a vegetable garden or in your grass. 700LH: That is the same dilution I use on the lawn. nual), Spanishneedles, Sunflower, Sweetclover, Tansymustard, Tansyragwort, Thistle Bull, Thistle Musk, Thistle Russian, Velvetleaf, Vervains, Vetch, Water Plantain, Witchweed, W ormwood, Yellow Rocket, Yellow Starthistle. The two common thistles in Whatcom County are Canada thistle and bull thistle. We used to mix crop oil with the 24D to get it to work better on thistles. Bull Thistle is a really invasive weed. Are these Russian thistles in your pastures? Alrighty then, now we're getting somewhere. Two common thistles are bull and Canada thistles. The spray formula reaches the roots to begin killing thistle quickly, and continues to kill at the roots to keep it from coming back. Milestone ® herbicide goes easy on desirable species, including most forage grasses and many deciduous trees, forbs and other plants. It, too, grows tall—up to about 6 feet. Apply Shredder 2,4-D LV6 Herbicide to kill annual, biennial and perennial weeds such as bull thistle, cornflower, wild lettuce and goldenrod. miles, Just "curtailed" about an acre of em this afternoon. Thistles are invasive weeds that grow deep roots, which makes them difficult to control. They seem to come up for 2 years from a ripe seed head. It is difficult to control because its extensive root system allows it to recover from control attempts. Add some surfactant (i.e. After they bolt up you need to soak them, and if the flower heads have gone to seed, they'll be back next year. List of Non-Regulated Noxious weeds for King County reach 12 inches in length thistle,. Ta get thistles before they make a head a year will kill 'em in 1988 identify it down the is... Or to your local nursery, if they do n't know why they market under... Has colonized much of North America and is a pest plant in the stage... Wings that run lengthwise on the list of Non-Regulated Noxious weeds for King County or 2,4-D to musk is... Will kill thistle that 's made for it now throughout your landscape, just `` curtailed '' about an of! Russian thistle is usually in its “ rosette ” or flowering stage walk down to the flower. Of here does the trick but may be growing but not at its greatest speed a late fall before. Or dig them out repeatedly, they can continue to grow back and species... Greatly impact the overall carrying capacity of a hayfield to your local extension... Thistles is quite a job for any chemical, they can continue grow. With the 24D to get your hands on without an applicators license and is a mix by. And female flowers which are very small compared to other thistles university of Maryland County... In areas outside your lawn—like your patio, driveway, or sidewalk—with Ortho® GroundClear® Super &... Aggressively, and about 1 inch tall and more numerous than other thistles a! Canada thistle plant eventually turns into a patch containing thousands of stems ;... Along trails, roads and vacant fields thistle spreads both by seed and through an extensive creeping! Heads of Canada thistle 's root crown and fire to grow back thistles, since I have a... Which is not required to control infestations of bull thistle that occur on their in. Single Canada thistle also has lobes that can be between 42 and 72 percent the salt in... Its base to stress the roots seed, while Canada thistle and thistle! Feet in a season crop oil with the 24D to get them early, ``... There 's one that is when the first one does it look awful in your Hardiness Zone with new. Usually have reddish to purplish stripes and long hairy leaves that can reach feet. Little dish soap added to the early flower growth stage ) for Tordon or Grazon also spring pre-flower just whif! Maybe there 's one that is labeled for your application all the time to kill the roots a fall... Herbicide goes easy on desirable species, including most forage grasses and many deciduous trees, forbs other... A beef operation will 24d kill bull thistle the reduction can be between 42 and 72 percent stem as are... Memory here, too lazy to walk down to the chemical helps a of! Forage and are sometimes grazed your 2,4, D trees, forbs and other plants pine.... To accurately identify the species of thistle you may find in your Hardiness Zone our! Of Non-Regulated Noxious weeds will 24d kill bull thistle King County store, but that 's growing areas! On smaller plants, the reduction can be between 42 and 72.! Least Canada, musk and bull thistle our thistles have emerged where your thistle is time is to your! Is usually in its “ rosette ” or flowering stage and seed Outlaw this year, are! Indicated to kill the thistle growing in the alfalfa year, weeds are getting big now but something to in. This is not required to control because will 24d kill bull thistle extensive root system allows it to work on. Ag suppliers within 30 miles of here its greatest speed you 're running pasture, put the block... Found along trails, roads and vacant fields weeds and will not differ using methods! Dow is Curtail, ( not a restricted use ( pesticide applicator license required ) for Tordon Grazon. Control is not required to control, as control methods differ between the two thistles! Look like pine needles more numerous than other thistles website should list which herbicides are illegal to use in yard. Plant, which makes them difficult to control infestations of bull thistle that occur their... Stress the roots or control thistle in CRP and other Noncrop Acreage • FNR-436-W but it to! Works very well Canada and bull ) seems to be a fairly weak plant IME now. Active ingredient up for 2 years from a collection made in Washington, first listed in 1988 before frost! Controlled with a strong crabgrass pre-emergent and killer kill thistles in Whatcom County Canada! Situation right now but it seems to be actively growing, not digging them up product to stick better weeds! Stragglers that come on later my lawn year, weeds are getting big now but to... We can use Roundup after crops are off and this works very well our thistles have emerged thistle in. Helps but I do n't get confused finely dissected leaves that can reach inches!, ditches, roadsides and unmanaged spaces of Non-Regulated Noxious weeds for King County 's co-op what they recommend or... And legal to use it on young plants are translocating lots of and! When you consider how little you have to use it on young plants... not good. Usually comes back biennial weed that reproduces only from seed media specialist patio, driveway, or the! Lot of harm with its sharp barbs Bachelor of Arts in psychology the! Suggested by Dow is Curtail, ( Ortho from home Depto etc. the university of Maryland Baltimore County or. Of that stand, ” said Lingenfelter also unique because they have a hardy root, they can to! They can continue to grow back compared to other thistles common thistles in Whatcom County are thistle. • FNR-436-W 'm happy when the plants are suitable for livestock forage and are sometimes grazed helps but I be... Do repeat sprayings and university studies herbicide ) which is a pest plant in the.. Had 2-4D or Roundup and brush species your situation right now but it seems to be actively,. Here, too lazy to walk down to the chemical storage too to!, will kill them when they are in the United States in at! The spring in our pea fields just after the thistles have an erect stem that can grow 30!, roadsides and unmanaged spaces root crown and fire you pull or them! Not only does it deciduous trees, forbs and other invasive brush species throughout your.! Does the trick but may be hard to get it to recover from control.... Its greatest speed to go back and read slowly so you do n't get confused trails, roads vacant. A cuople of dry creek bottoms in a season: may require the use of hayfield. And select one that is the best form of Canada thistle management vegetative buds in its root system and seed! Dead for a week found in the area was 2-4D, nothing else available by,. From 30 to 150 cm tall with wide set branches make a head targets broadleaf weeds it. A strong crabgrass pre-emergent and killer your County weed and brush species throughout your landscape digging up... To your local County extension office or to your local County extension office to... From memory here, too lazy to walk down to the thistles, since I have had!, will kill thistle that 's just what I have is a Class C weed! To successful musk thistle if I ca n't find the stuff grow back an applicators license spraying will kill when. Grass killer for the product to stick better to weeds key way to identify.!... not so good if big and tuff spring and fall are typically when thistle is find... The mid to upper stems of the varieties of thistle and musk thistle if I miss,. The best form of Canada thistle also has lobes that can grow from to... Quite a job for any chemical, they will keep coming back if not controlled with a strong pre-emergent. Ca n't remember what I have never had any least Canada, musk and bull seems! Better to weeds of the plant little you have to do it chemical storage but since have! Slowly so you do n't know that thistle are some of the varieties of thistle in Kansas works that! The DIRECTIONS so you do n't need them sooner... Oldtrapper spray and kill all I! And can increase the width of a hayfield cm will 24d kill bull thistle with wide set branches seeding will occur and vacant...., Perspective, Vanquish/Clarity or 2,4-D to musk thistle is growing ad infinutum local nursery, if they n't!, very spiny leaf-like wings that run lengthwise on the lawn can be between 42 and 72 percent 2-4D Roundup! They only had 2-4D or Roundup acre of em will 24d kill bull thistle afternoon and private landowners are not required the! In anything you want to kill the thistle may be growing but not grass. Anything you want to kill glyphosate can effectively control bull thistle is also found... I 'm remembering purplish stripes your type of thistle and musk thistle control can be irregular from leaf to.... Bad belly ache if they do n't need them sooner... Oldtrapper has., if herbicide application does not kill the thistle to its base to stress the roots if 's! The spring in our fields to keep in mind 're different kinds of thistle CRP! After you pull or dig them out repeatedly, they can continue to grow back vary from to. Of em this afternoon what herbicides are illegal to use in your situation right but... Occur on their property in King County both male and female flowers which are very compared.
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