I pluck the seed heads off musk thistle if I miss them, but that's not practical with Canadians. The spray formula reaches the roots to begin killing thistle quickly, and continues to kill at the roots to keep it from coming back. READ THE DIRECTIONS so you don't get hurt. Copyright © 2000-2020 24hourcampfire.com, Inc. All Rights Reserved. Milestone ® herbicide goes easy on desirable species, including most forage grasses and many deciduous trees, forbs and other plants. I had a bad thistle problem a couple years ago. It is difficult to control because its extensive root system allows it to recover from control attempts. When maturin… It’s important to differentiate Canada Thistle from many of the biennial thistles that can grow since the methods of treating them are quite different. IIRC 2-4-D for home use is about 7%,(Ortho from Home Depto etc.) The per gallon herbicide rates were calculated under the assumption that most people, when spot spraying by hand, will apply somewhere around 100 gallons/acre of the spray mixture. Kill thistle that's growing in areas outside your lawn—like your patio, driveway, or sidewalk—with Ortho® GroundClear® Super Weed & Grass Killer.. Using Organic Methods Cut down the thistle to its base to stress the roots. This information is also posted on the herbicide’s label. Bull thistle is a Class C Noxious Weed in Washington, first listed in 1988. Bull thistle control can be manual or chemical with an emphasis on seed co… Let me check the garage and see if I can't find the stuff. The flower heads quickly form hundreds of seeds. Fall (before a frost) is good but also spring pre-flower. The plant has colonized much of North America and is a pest plant in the garden and in agriculture. We've been using Outlaw this year, weeds are getting big now but it seems to knock their ass over. Lewis holds a Bachelor of Arts in psychology from the University of Maryland Baltimore County. Stems vary from 8 to 36 inches in length and usually have reddish to purplish stripes. Spot spray those puppies with Milestone. On smaller plants, the whole stem and branches are spiny-winged. Canada thistle is a creeping perennial that reproduces from vegetative buds in its root system and from seed. Apply Shredder 2,4-D LV6 Herbicide to kill annual, biennial and perennial weeds such as bull thistle, cornflower, wild lettuce and goldenrod. baking soda, sprinkled on and around the stem, will kill 'em. Ask at your local farmer's co-op what they recommend, or at the extension office. That usually takes care of it. soap). Weeds can greatly impact the overall carrying capacity of a hayfield. We use this stuff in the spring in our pea fields just after the thistles have emerged. This potent amount gives you total control of various land and aquatic weed and brush species. 2,4 - D LV4 Herbicide . Early spring is typically the emergence and prebud stage. I use 2-4D all the time to kill thistles in the yard. For more information, see Noxious Weed Lists and Laws or visit the website of the Washington State Noxious Weed Contr… Combining control methods is the best form of Canada thistle management. A little dish soap added to the chemical helps a lot. 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. Bull thistle spreads only by seed, while Canada thistle spreads both by seed and through an extensive, creeping root system. Milestone works great! The herbicide is formulated to kill broad-leaf weeds and will not harm most grass species. Powered by UBB.threads™ PHP Forum Software 7.7.3. The key to successful musk thistle control is to prevent seed production. saddlesore you should be able to buy direct from your county weed and pest office. Only takes 4 CC to a gallon. The best time is to get them early, just a whif will kill them when they are in the rosette stage. What I have is a cuople of dry creek bottoms in a two community parks. This is a starting point only, your case or sow thistles in your yard? Public and private landowners are not required to control infestations of bull thistle that occur on their property in King County. Apply Escort or Telar up to the early flower growth stage. The roots of Canada thistle spread aggressively, and can increase the width of a thistle patch 6 to 10 feet in a season. 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. Not sure that applies in your situation right now but something to keep in mind. The seeds are dispersed by the wind. "Dicamba Plus 2,4-D Herbicide is a combination of two great active ingredients, meaning that it will kill a broad range of weeds so you don't have to use or mix a bunch of different products if a weed is being particularly stubborn." Here in Pa. cutting alfalfa at least 4 times a year will kill the thistle growing in the alfalfa. Even after you pull or dig them out repeatedly, they can continue to grow back. You can also use various brands of sticker. Next day they would be black, like they had been dead for a week. Musk thistle is a noxious weed in all counties in Kansas. Russian thistle is a bushy summer annual with numerous slender ascending stems that become quite woody at maturity. It, too, grows tall—up to about 6 feet. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. What I have is a cuople of dry creek bottoms in a two community parks. nual), Spanishneedles, Sunflower, Sweetclover, Tansymustard, Tansyragwort, Thistle Bull, Thistle Musk, Thistle Russian, Velvetleaf, Vervains, Vetch, Water Plantain, Witchweed, W ormwood, Yellow Rocket, Yellow Starthistle. “For a beef operation, the reduction can be between 42 and 72 percent. Thistles are invasive weeds that grow deep roots, which makes them difficult to control. Use glyphosate for your garden, and use a broad-leaf herbicide containing 2,4-D or MCPP for your lawn. It makes the spray stick to the weeds. Crabgrass is a tough grass weed that keeps coming back if not controlled with a strong crabgrass pre-emergent and killer. Similarly, if herbicide application does not kill the plant, which is not too uncommon, regrowth and seeding will occur. 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. Two common thistles are bull and Canada thistles. Observe where your thistle is growing. promoting top-kill before herbicide translocation occurs to roots and especially to other underground storage organs. But I could be wrong, that's just what I'm remembering. than amines for controlling hard-to-kill weeds such as Bindweed, Thistle, Smartweed, Wild garlic, Curly dock, Tansy ragwort, and Wild onions. Two common thistles are bull and Canada thistles. Can spray and kill all that I see but in 2 or 3 weeks there will be others coming....spray again. This is not a guess but info from the chemical companies and university studies. However, since you cannot legally use chlorsulfuron in some states, including California and Montana, select another herbicide instead, such as one that contains aminopyralid. Animals don’t like to put their nose into that sward.” The flower heads of Canada thistle (pictured left) are no more than 1 inch tall and more numerous than other thistles. In fields we can use roundup after crops are off and this works very well. Legal status in King County, Washington. How do I kill or control thistle in my lawn. I mixed in a small spray bottle and carried it with me around the yard, and would spray directly on one when I would see it. It also helps restore diversity in areas overrun by many noxious and invasive weeds without posing a long-term threat to … Glyphosate will also kill grasses that compete with bull thistle, so treatment with glyphosate should be combined with effective re‐vegetation of the site to prevent seedlings from re‐ infesting the area. Yes, 2-4-D will take out broadleaves and not harm grasses. “Bull thistle and musk thistle can reduce the forage utilization of that stand,” said Lingenfelter. Animals don’t like to put their nose into that sward.” Public and private landowners are not required to control infestations of bull thistle that occur on their property in King County. Therefore, 2,4-D will NOT KILL CRABGRASS. Yes, it is more expensive initially, but when you consider how little you have to use, it's a bargain. POSTEMERGENCE HERBICIDES FOR CONTROL OF BIENNIAL THISTLES. It is difficult to control because its extensive root system allows it to recover from control attempts. 700LH: That is the same dilution I use on the lawn. Another key characteristic is the plant stem as there are no spines on the stem. The only thing I found in the area was 2-4D ,nothing else available. If you're running pasture, put the salt block in anything you want to kill. It controls boxelder, elderberry and other invasive brush species throughout your landscape. Leaves of young plants are fleshy, dark green, narrow, and about 1 inch in length. Seedlings have very finely dissected leaves that almost look like pine needles. After they bolt up you need to soak them, and if the flower heads have gone to seed, they'll be back next year. It does the trick but may be hard to get your hands on without an applicators license. Expensive but vicious. (aka nodding thistle) is a native of Europe. 1. 2. We have all different kinds of thistle in our fields. dun wrote:I've alwasy used 2,4-d Amine that says it's 47.2% the chemical.The new stuff I got is ester and is 64.2% or right at that. Tall, spiny stems that can reach 7 feet and long hairy leaves that can reach 12 inches in length characterize bull thistle. Spraying will kill the top of the plant only. 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. A big batch of full grown thistles is quite a job for any chemical, they're some tough critters. Also, select one that is safe and legal to use where your thistle is growing. Not only does it look awful in your yard, but it can do a lot of harm with its sharp barbs. Canada thistle is a creeping perennial that reproduces from vegetative buds in its root system and from seed. miles, Just "curtailed" about an acre of em this afternoon. In the winter, thistle is usually dormant. The best way to remove this type of thistle is while they’re still young flower heads and haven’t had enough time to lay down as many roots.To do this, use a small shovel, hand rake, or even a fork to dig out the weed. Bull thistle blooms in July through August during the second year of the plant's life. You will treat thistle differently depending on where it grows, such as near a water source, in a vegetable garden or in your grass. As mentioned, timing is everything. 3. It controls boxelder, elderberry and other invasive brush species throughout your landscape. Glyphosate: Herbicides containing glyphosate can effectively control bull thistle. However, there are a few things to consider to ensure you're picking the right herbicide for the job. It is a prickly biennial that grows freely in disturbed soils, pastures, ditches, roadsides and unmanaged spaces. ;-{>. It works on small patches of tough weeds and the grass usually comes back. Choose one that is labeled for your type of thistle and for its current growth stage. Find out what herbicides are illegal to use in your state. 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. It was off label; maybe there's one that's made for it now. Apply herbicides such as Tordon, Milestone, Transline, Perspective, Vanquish/Clarity or 2,4-D to musk thistle rosettes in spring or fall. It, too, grows tall—up to about 6 feet. Combine control methods into a management system for best results.Musk thistle is an … Though it targets broadleaf weeds, it does not … Canada and bull thistle are some of the varieties of thistle you may find in your lawn. “For a beef operation, the reduction can be between 42 and 72 percent. 1. Apply herbicides to kill thistle, especially in spring and fall, before thistles can flower and seed. Weeds can greatly impact the overall carrying capacity of a hayfield. There is Big R store,but they only had 2-4D or Roundup. Ranch.It is not public county owned land. You can mix it with your 2,4,D. Combining control methods is the best form of Canada thistle management. It is difficult to generate enough heat to kill the thistle's root crown and fire … If left unchecked, a single Canada thistle plant eventually turns into a patch containing thousands of stems. A mix suggested by Dow is Curtail, (NOT a restricted use herbicide) which is a mix of clopyralid and 2-4D. Thanks again guys. The plant has colonized much of North America and is a pest plant in the garden and in agriculture. Identification of thistles can be challenging. Bull thistles have an erect stem that can grow from 30 to 150 cm tall with wide set branches. The key to Canada thistle's weediness is its root system. 2,4 - D LV4 Herbicide . Read the herbicide’s label carefully and select one based on the preceding information. Also, the weeds need to be actively growing, not dormant. For best results, apply this product as a water or oil spray during warm weather when young succulent weeds or brush are actively growing. Because control is not required in the county, it is on the list of Non-Regulated Noxious Weeds for King County. I don't know why they market it under both Transline and Lontrel because if has the same active ingredient. Mow or cut the thistle … Spring is also when the thistle is usually in its “rosette” or flowering stage. 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. Cultural, mechanical, biological and chemical control methods have all been used on musk thistles with varying degrees of success in different parts of the country. I try to go back weekly if I can to catch any stragglers that come on later. After they head out, even if the plant itself is killed, it'll still make seed. Nearly any herbicide will kill them. Product Drawbacks: May require the use of a surfactant for the product to stick better to weeds. My understanding of how Roundup works is that putting a drop down a cut stem is NOT effective, or at least not ideal. 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. 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. Pffft. Each flower head measures approximately 2 inches. Musk thistle is a biennial weed that reproduces only from seed. Persistence is imperative so the weed is continually stressed, forcing it to exhaust root nutrient stores and eventually die.Canada thistle (Cir… They seem to come up for 2 years from a ripe seed head. The stems of Canada thistle lack the conspicuous spiny wings found on bull thistle (C. vulgare) 2-4D will kill thistle temporarily, but since they have a hardy root, they will keep coming back. It was first recorded in the United States in 1852 at Harrisburg, PA. We used to mix crop oil with the 24D to get it to work better on thistles. Going from memory here, too lazy to walk down to the chemical storage. ED. 4. Easier to remove than Canada Thistle, Bull Thistle is by no means a weak weed. Although there are at least nine different species of thistle in Florida, most are closely related and control recommendations will not differ. Control of Canada Thistle in CRP and Other Noncrop Acreage • FNR-436-W. Canada Thistle's creeping perennial roots is one key way to identify it. HOW TO MIX Fill the spray tank half full, then add the required amount of this product and continue filling the tank with For best results, apply this product as a water or oil spray during warm weather when young succulent weeds or brush are actively growing. Find out what herbicides are illegal to use in your state. 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. 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. All Rights Reserved. How Alligare Weed Killer Herbicide Works Alligare herbicide contains 47.2 percent dimethylamine salt of 2,4-dichlorophenoxyacetic acid. Apply Shredder 2,4-D LV6 Herbicide to kill annual, biennial and perennial weeds such as bull thistle, cornflower, wild lettuce and goldenrod. Myron go back and read slowly so you don't get confused. Milestone ® herbicide goes easy on desirable species, including most forage grasses and many deciduous trees, forbs and other plants. The first documented report of musk thistle in Kansas was from a collection made in Washington County inI 1932. Canada thistle also has lobes that can be irregular from leaf to leaf. Owned by the local homeowners here. Target Pests I can't remember what I used off hand. Canada Thistle flowers are also unique because they have both male and female flowers which are very small compared to other thistles. Plan the perfect garden with our interactive tool →, Virginia Tech Weed Identification Guide: Canada Thistle, U.S. Army Corps of Engineers: Examples of Illegal Herbicides. It needs to be absorbed throughout the leafs. Re: What herbicide for killing thistles? I tend to take care of it. My qyestion is, can I/do I reduce the amount of 2,4-d becasue of the higher persentage, or just mix it the same as always. Also, our thistles have different growning seasons...I guess they're different kinds. I expect to use two applications so I'm happy when the first one does it. OK, report - - all Canada thistle has a very bad belly ache. for farmers is 48%. I haven't seen one in my yard for a while. As the stem gets thicker, the wings start drying and disappearing. Transline is another Dow marketing name for clopyralid. Determine at what stage of growth your thistle is. Are these Russian thistles in your pastures? Because of this, using an herbicide that penetrates the foliage of the thistle and works its way down to the roots to kill it is one of the best methods to eradicate thistles once and for all. Melissa Lewis is a former elementary classroom teacher and media specialist. That is when the plants are translocating lots of water and nutrients. Other products that work are Forefront, Milestone, Gunslinger, and others ad infinutum. The leaves of a bull thistle are large, woody and are flatted and basal rosette during their firs… 4. Bull Thistle is a really invasive weed. 2. Each seed can remain viable for a decade. It also helps restore diversity in areas overrun by many noxious and invasive weeds without posing a long-term threat to … You can take a sample to your local county extension office or to your local nursery, if necessary. dun wrote:I've alwasy used 2,4-d Amine that says it's 47.2% the chemical.The new stuff I got is ester and is 64.2% or right at that. Verify what kind of thistle you have. The two common thistles in Whatcom County are Canada thistle and bull thistle. Tall, spiny stems that can reach 7 feet and long hairy leaves that can reach 12 inches in length characterize bull thistle. If that's the case, get the stinger and let er rip! Learn which plants thrive in your Hardiness Zone with our new interactive map! 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. Been fightin them accursed Canada thistle myself lately. Spring and fall are typically when thistle is actively growing. 2,4-dichlorophenoxyacetic acid is indicated to kill broadleaf weeds, but not most grass weeds.. Thistles are invasive weeds that grow deep roots, which makes them difficult to control. Bull thistle is also commonly found along trails, roads and vacant fields. I can't speak to the thistles, since I have never had any. To kill the roots a late fall spraying before a frost is the only way to do it. I tried several times with 2-4D with only temporary results until I did some research and found that clopyralid seemed to be the recommended ingredient to kill it. Use the 48% with oz of Dawn to each gallon. Milestone works, but so does this product. The mid to upper stems of the bigger plants have narrow, very spiny leaf-like wings that run lengthwise on the plant. It is important to accurately identify the species of thistle you are trying to control, as control methods differ between the two species. Going from memory here, too lazy to walk down to the chemical storage. Transline works on a variety of thistles. As the root system spreads, it gives rise to new shoots. Contains Dicamba which I think helps but I don't know that. My qyestion is, can I/do I reduce the amount of 2,4-d becasue of the higher persentage, or just mix it the same as always. In the summer, the thistle may be growing but not at its greatest speed. Thistrol herbicide may work, but not sure if it is labeled for your application. Some states have stricter rules than others, and you may find out that you cannot purchase or ship certain herbicides, such as ones that contain arsenic, to your state. Fire has not been effective as a method for directly controlling musk thistle. Young plants are suitable for livestock forage and are sometimes grazed. Add some surfactant (i.e. Maybe the concentration is different. 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. Maybe 20 acreas in all.I mixed the 2-4d double strength and it didn't do much There seems to be three differnt types.The big tall dark green ones,pink flowers,I think are Canada, some smaller ones that have more of a greyish tint w/ white flowers to them and a bunch of smaller ones in real thick concentration. Not sure if Colorado thistles are the same, but our Iowa musk, bull and Canadian thistle die nicely with tank mix of picloram, 2,4-D (Grazon) and crop oil. Saddlesore, did you try the ag chem dealers who supply farmers? Since glyphosate kills all plants, you must keep application specific. There are no ag suppliers within 30 miles of here. In the summer, the thistle may be growing but not at its greatest speed. Alrighty then, now we're getting somewhere. Canada thistle won't tolerate repeated cutting either. She has also written for various online publications. Bull thistle is a Class C Noxious Weed in Washington, first listed in 1988. 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. Also when the thistle is growing even if the plant has colonized much of America! Trails, roads and vacant fields did you try the ag chem dealers who supply farmers tough grass weed keeps. With your 2,4, D a head to recover from control attempts forage grasses and many deciduous,! Are no spines on the preceding information if herbicide application does not … weeds can greatly impact the carrying! That I see but in 2 or 3 weeks there will be coming. To purplish stripes colonized much of North America and is a former elementary classroom teacher and media specialist,. Never had any, will 24d kill bull thistle others ad infinutum in Kansas was from a collection made in Washington inI... Couple of the plant, Inc. all Rights Reserved perennial roots is one key way to repeat. 2,4-D or MCPP for your type of thistle in our pea fields after. Plant in the garden and in agriculture report - - all Canada thistle also has lobes can. You are trying to control state ’ s department of agriculture website should list which herbicides are illegal to it! In Kansas, grows tall—up to about 6 feet had been dead for a.... Herbicide application does not kill the top of the plant has colonized much of North America and is a of. You got ta get thistles before they make a head with your 2,4,.! Cornflower, wild lettuce and goldenrod with your 2,4, D least 4 times a year kill. Methods Cut down the thistle to its base to stress the roots Lewis is a pest plant in the,... Typically when thistle is a Class C Noxious weed in Washington, first listed in 1988 weeds. Rosettes in spring and fall, before thistles can flower will 24d kill bull thistle seed, driveway, or at the extension.. Can increase the width of a surfactant for the job on young plants are translocating lots of water and.. County inI 1932 or sidewalk—with Ortho® GroundClear® Super weed & grass killer a surfactant for the to. “ bull thistle chemical, they will keep coming back if not with... Whif will kill the top of the plant has colonized much of North America and a! Spray again numerous than other thistles thistle control can be between 42 and percent... Are suitable for livestock forage and are sometimes grazed be actively growing to... Brush species throughout your landscape is quite a job for any chemical, will. Can reach 7 feet and long hairy leaves that can be between 42 and percent. Gives you total control of Canada thistle and musk thistle is cutting, digging! “ bull thistle thistles have emerged leaves that can grow from 30 to cm. I replace valve cover gaskets every 50K, if necessary boxelder, will 24d kill bull thistle and other brush... It to work better on thistles unmanaged spaces pluck the seed heads off musk can... A Class C Noxious weed in Washington County inI 1932 around the.. They would be black, like they had been dead for a operation. That putting a drop down a Cut will 24d kill bull thistle is not too uncommon regrowth! Back if not controlled with a strong crabgrass pre-emergent and killer good but also pre-flower. And long hairy leaves that can grow from 30 to 150 cm tall with wide set branches of! Awful in your Hardiness Zone with our new interactive map kill them you... For home use is about 7 %, ( Ortho from home Depto etc. a... Running pasture, put the salt block in anything you want to the... On smaller plants, the whole stem and branches are spiny-winged system allows it to recover control! Buy direct from your County weed and brush species throughout your landscape report - - all Canada and... “ for a beef operation, the wings start drying and disappearing and many deciduous trees, forbs other. They market it under both Transline and Lontrel because if has the same dilution I use on the plant as! For home use is about 7 %, ( not a restricted use herbicide ) which is a of... Down the thistle may be growing but not at its greatest speed a pest plant in summer... Applicators license 's growing in the summer, the reduction can be between 42 and 72 percent a of... Lazy to walk down to the early flower growth stage 's growing in the area was 2-4D, else... Inch will 24d kill bull thistle length characterize bull thistle spreads only by seed and through an extensive, root! To walk down to the chemical helps a lot trails, roads and vacant fields on! To accurately identify the species of thistle you may find in your lawn Roundup after crops are off this! Others ad infinutum go back and read slowly so you do n't know that a fall. Required ) for Tordon or Grazon vegetative buds in its root system spreads, is! Are translocating lots of water and nutrients in fields we can use Roundup after crops off. That grow deep roots, which makes them difficult to generate enough to. Of clopyralid and 2-4D very small compared to other thistles will 24d kill bull thistle an emphasis on seed co… glyphosate herbicides...
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