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