This perennial plant has a large root system that spreads out widely and digs down deep into the soil. It is important to know what weeds you may see in your lawn, and how to get rid of them carefully. If you cut the grass every 6 weeks with a rusty old lawnmower you’ll have patchy grass that goes brown every time you cut it. Creeping thistle can quickly spread in grassland areas and borders. It can be delicate balance- needing to get rid of invasive noxious weeds on your property while having minimal negative impact on the environment. Too much, on the other hand, will prevent water, air and nutrients from penetrating the soil. I don't have any affiliation with the company - I'm just happy to find a tool that has made getting rid of weeds less of a chore (and actually kinda fun now). Helpful. Apply to individual cut stems an inch or two above the soil line, taking careful aim to avoid contact with desirable plants. Cut the stem of each thistle plant with a knife. This is the type of environment that weeds thrive in. Q: For several years I have had a problem with thistles in the lawn. The seeds can survive for more than 20 years and germinate quickly when conditions are just right in Warsaw, IN and Syracuse, IN. 1. Thank you. The only way to get rid of the thistle without destroying your garden is to dig them out by hand. The Best Way to Get Rid of Thistles in Your Garden. AJR mom X2_katwoman. The particles of soil beneath the grass get pressed together over time which squeezes out air and water. 1) Dodder: This weed is known as the strangle weed, as its known for strangling other plants. Answered. Also: Dry, open and uncovered soil is like a thistle welcome mat. Spray white vinegar on the thistles to slowly kill them. This cool season perennial (Zones 2-8), known for its difficulty to kill and its desire to take over your garden completely and totally, is a scourge for gardeners. It will work better on small plants. The second product is a spreader sticker called StayPut. The extensive root system makes it a difficult weed to … 1) Dodder: This weed is known as the strangle weed, as its known for strangling other plants. How do I get rid of Canadian thistle as organically as possible? Either pull them out by hand or use a hand fork another type of weed… To make matters worse, I noticed the stems I did get around to pulling just shot up more flower heads. If you are looking for an all-natural way to get rid of Canada thistle, salt and vinegar is a great choice. Use a screwdriver and dig right down to the root. Canada thistle plantscan grow 2 to 5 ft tall and branch only at the top. Hello, Mike McGrath: What can you recommend to get rid of thistles in my garden and lawn? It is adapted to a wide range of soil conditions, and spreads vigorously by wind-borne seeds and by way of its extensive, creeping root system. It tends to grow in areas of a yard where there is a sparse covering, so you need to be alert to its possible presence if you have just seeded a new lawn. Thank you.---Curtis in Cherry Hill, NJ. Her approach is based on simplicity, ease, and success. I'm a professional gardener with degrees in Horticulture & Landscape Gardening. The flowers, which are rarely seen in lawns due to mowing are Lilac in colour and are borne in clusters. Because we have a dog and many rabbits and squirrels in our backyard, I do not want to use anything that could harm them. If the weed persists after digging them out, or the idea of digging weeds up sounds like too much hard work, you can give them a blast with a spot spray weed killer for lawns, such as Scotts Weedol Lawn Weedkiller Spot Spray or Resolva Spot Spray Weedkiller for Lawns. Reply. Whether you are controlling Canada thistle with chemicals or organically, you will need to do so repeatedly. Since glyphosate kills all plants, you must keep application specific. If you leave it, it will become tougher to get rid of. If in the lawn salt will kill the lawn as well.It is best to use Weed-B-Gone by Spectricide or Ortho for killings weeds and not the lawn. Every time you cut the grass you take some of these nutrients away. Remember the part about rhizomes? Then, spritz the vinegar directly onto the thistle plants until the plants are dripping with vinegar. Mow your lawn short to reduce thistle seed reserve, and keep it that way. But note that even if you use a pre-emergent, due to it’s root system it can still spread into your lawn from neighboring lawns. DO NOT compost! Pulling will not dent it. Thank you! According to the USDA, vinegar is one of the most effective ways to control Canada thistle. Q: For several years I have had a problem with thistles in the lawn. Its notorious prickles can render otherwise grazeable land useless. Choose a turfgrass that can prevent weeds. A thick dense lawn that is well-fertilized will be better able to choke out broadleaf plantain weeds and not allow them room to establish. As if I was there doing it all for you! Leaves are slender, smooth, and have crinkled edges with spiny margins. Read: Lawn Fertiliser: What, Why, When and How to Feed Your Lawn, Also Read: Lawn Feed Reviews: The Best Products From the Biggest Brands. It is a great "selective" (meaning it will not kill the lawn, only the weeds), weed killer that works at temperatures above 45 degrees. It is also much more environmentally and family-friendly than herbicides. Removing them By Hand. Thistles are perennial weeds that grow back year after year forming deeper and deeper roots as it establishes itself. These stems produce wavy leaves that look similar to the leaves of Dandelions, except they’re spiky and sometimes have hairs on the underside. The spray formula reaches the roots to begin killing thistle quickly, and continues to kill at the roots to keep it from coming back. Either pull them out by hand or use a hand fork another type of weeding tool. Once established, it can be difficult to eradicate permanently. Canadian Thistle is one tough weed that wants to stay alive and re-grow! Remove the flowers immediately, bag them, and place them in the trash. Doing so means that you are sure to get rid of the entire weed. — Debbie Furber is a field editor for Canadian Cattlemen at Tisdale, Sask. Do not dilute the vinegar with water as this makes it less efficient at killing weeds. Primarily Nitrogen, Potassium and Phosphate. Chemical control with labeled herbicides will drastically help with thistle control. Answered. Canada thistle is at the correct height about June first (by June 20 thistle is 36 to 48 inches tall in full bloom) and in the fall (September and early October). One great way to kill thistles is by using acetic acid. I have several areas that were thick with thistle that are totally free of it now. by Katrina Blair. Dodder. I want your garden to look like it’s maintained by a professional. It's very important to catch thistle at its early bud growth stage, before it can spread new seeds. On top of that, they can grow to heights of up to six feet. These thistles can grow very tall if left to do so. Here are the 12 best tools every gardener should own. Chemical control with labeled herbicides will drastically help with thistle control. Instead, I get better results pulling the weeds from my lawn physically. Mowing or repeated cutting may be used to help prevent the spread by preventing the production of seeds and starving the plant. Usually, if there’s a lot of one type of weed, there will be plenty of others too. Read: Lawn Scarification: Why, When and How to Scarify Your Lawn (The Ultimate Guide), Also Read: Choosing the Right Scarifier: My Top Picks and Buyers Guide. I don't have any affiliation with the company - I'm just happy to find a tool that has made getting rid of weeds less of a chore (and actually kinda fun now). This is what creates a thick, dense, lush lawn. The only way to get rid of the thistle without destroying your garden is to dig them out by hand. thistle. It consists of old and new grass roots as well as other stuff. Grass consumes nutrients from the soil and uses them to produce food and grow. If you leave it, it will become tougher to get rid of. I also have it in my lawn. I have sprayed with Curtail by Dow for about three years. Thistle is an incredibly difficult weed to eliminate from your lawn, especially when you consider that a single musk thistle is capable of spreading around 120,000 seeds from a single flower. It also prevents air, water and other nutrients from getting into the soil so the grass can’t consume them, produce food and grow. The best way to get rid of thistle is to use chemical control where possible. The are several species of Thistles that often plague gardeners and farmers all over the UK but most can’t tolerate regular mowing. Psalms 34:1 Compacted soil means nutrient-deficient soil. That said, apply a good quality, slow-release fertiliser at least once a year. Aeration involves either spiking the surface of the lawn (in the spring) or removing cores of turf via hollow-tining (in the autumn). Canada thistle is a cool season perennial which spreads by seed and vegetatively by creeping roots. Remove the flowers immediately, bag them, and place them in the trash. Some thatch is a good thing because it protects the crown of the grass plant. Disclaimer: Gardenseeker is a free resource, with everything from gardening tips to product reviews. Hey folks. Canada thistles (Cirsium arvense) thrive in almost any condition. Helpful. 4 answers Elizabeth. However, if you’ve got a bigger problem and it’s taken over your lawn along with other types of weeds like Daisies or Clover, for example, you’ll need to treat the whole lawn. An aggressive spreader with spear-like foliage topped with pointy, barb-like hairs, this invader does its very best to intimidate. on Jun 9, 2019. Fertilize your lawn so it doesn’t have a deficiency. Use a sharp weeding tool to get down into the soil, removing root along with the plant as best you can. Does anyone have a way to get rid of this nasty noxious intruder in my garden that won't kill my plants? Canada thistle topped the list of problem weeds on pasture land in a survey of Prairie producers. The Best Way to Get Rid of Thistles in Your Garden. Since glyphosate kills all … Connecting with Canadian Thistle. 2 answers Mogie. The best defense against Canada thistle is a thick lush lawn that is properly maintained and well-fed. Seed production is usually completed in early July. Following are two reliable options. Mowing at a higher height to discourage growth 2. Consider laying down a weed barrier or mulch to slam the door on new infestations. It is an excellent product and it kills the tops and roots. Read: Choosing and Using the Best Weedkiller for Lawns. So cut the grass at least every 10 days between April and September. Psalms 34:1 Just spotted thistle blooms in your yard? All necessary for Pest Control https://amzn.to/2rLU5CG-----How to Get Rid of Thistle Permanently. What is best way to get rid of Canadian Thistle? Buy a sharp weeding tool now on Amazon now. As a free-lance writer and former Southern Living Associate Garden Editor, Ellen Riley has a knack for teaching readers to find joy in the garden (indoors and out) every day. When not in the garden, find her in the kitchen preparing the day's harvest or arranging a few flowers to share. The most common species of Thistle found in lawns. The first product is Zamzows Ultra Weed Control for Lawns. Canadian Thistle, or any perennial thistles, exhibit a much more extensive root system than their biennial cousins. Treating to get rid of thistle. You may find that repeated digging out of roots reduces the problem, but chemical control will provide a quicker solution. Examine your lawn to identify specific areas of thistle growth. New seedlings may continue to emerge for years in treated areas. Does anyone have a way to get rid of this nasty noxious intruder in my garden that won't kill my plants? Use glyphosate for your garden, and use a broad-leaf herbicide containing 2,4-D or MCPP for your lawn. Thank you.---Curtis in Cherry Hill, NJ. Just spotted thistle blooms in your yard? Managing Canada Thistle Canada thistle (Cirsium arvense) is a perennial that has plagued farmers in America since European settlement, and is a Noxious Weed in Pennsylvania. Products like Weedol Lawn Weedkiller Concentrate are designed to be diluted in water and applied using either a knapsack sprayer or watering can. If it’s already there, take heart. We are reader-supported: © 2020 GardenSeeker.com. Stick with it to get rid of thistle for good. It won’t break the bank, it’s easy to do and your lawn will look a lot better than if you didn’t. Never rototill a bed of it, because each tiny piece can generate a new plant. Also, regular mowing can be enough to eradicate them, especially in established lawns. When using a weedkiller concentrate, be sure to read the instructions and mix the concentrate accurately. It is important to know what weeds you may see in your lawn, and how to get rid of them carefully. They seem to migrate in from the fields nearby. Her latest adventure offers 4 hands-on gardening workshops in the Nashville area. Canada thistle, also called creeping thistle, spreads by underground runners and can spread over a large area in a single growing season. It is a great "selective" (meaning it will not kill the lawn, only the weeds), weed killer that works at temperatures above 45 degrees. Chemical Thistle Control Step 1 Cover any nearby desirable broad-leaf plants with plastic. Because we have a dog and many rabbits and squirrels in our backyard, I do not want to use anything that could harm them. When you see thistle flowering in your neighborhood, be prepared to soon find it in your lawn and gardens. Answer . Here’s what you need to know about Thistles; The treatment of Thistles in a lawn is the same for both species. How can I get rid of thistle from the root? Spot spraying in a situation like this is futile. Start by cutting mature plants off an inch or two above soil level, then apply your spray-of-choice directly on the cut stem. his is an unattractive option for acreage enrolled in CRP since any mowing requires prior approval from the FSA (see below). Treating to get rid of thistle. In lawn areas use a 2-4-D product such as Fertilome Weed-Out Lawn Weed Killer or Montery Weed Whacker. This creates space in the soil to allow water, oxygen and nutrients to penetrate. The second product is a spreader sticker called StayPut. If the township orders it to be removed, how do we get rid of it safely without damaging the environment? —Marcie Mulligan. The best way to get rid of thistle is to use chemical control where possible. Among myriad available weed sprays, glyphosate (aka Roundup) proves to be effective on thistle. Thistles in your garden can be sliced off with a hoe; cut them as close to the ground as possible. I will bless the Lord at all times: his praise shall continually be in my mouth. This plant also has an extensive underground root system that will germinate more weeds. Scarification is the process of removing excess thatch (usually in the autumn) which opens the soil up so air, water and nutrients can penetrate it and the grass can consume them and grow strong. Reply. Canadian Thistle. A mature plant can reach up to 4 feet in height. Hi, Please let me know the best way to get rid of thistles. Get ready for a battle. Thistles are very simple to kill and remove but as I have said, that’s not even half the battle. Canada thistle (aka creeping thistle) is a determined weed if ever there was one. We recommend our users to update the browser. Managing Canada Thistle Canada thistle (Cirsium arvense) is a perennial that has plagued farmers in America since European settlement, and is a Noxious Weed in Pennsylvania. You may need to hire a lawn care service if you can't get rid of them on your own...Plus with a service - they should "guarantee" results so you can keep having them come out until you are satisfied. Find the best weed barrier for your yard here. How to get rid of Canada thistle: Treat with herbicides; Repeated mechanical control; Information by Rakesh Chandran, Ph.D., WVU Extension Service Weed Science Specialist Thistles have been cited in both ancient and modern literature. The spray formula reaches the roots to begin killing thistle quickly, and continues to kill at the roots to keep it from coming back. Like I always say, weeds are a symptom of other problems as a result of poor lawn care practices. Use a Weedkiller Concentrate to Treat the Whole Lawn, How to Prevent Thistles From Growing in Your Lawn, How to Choose the Best Lawn Mower For Me and My Garden, Choosing and Using the Best Weedkiller for Lawns, How to Mow the Lawn Like a Pro: Everything You mowShould Know About Grass Cutting, Lawn Scarification: Why, When and How to Scarify Your Lawn (The Ultimate Guide), Choosing the Right Scarifier: My Top Picks and Buyers Guide, Lawn Aeration: Everything You Need to Know About Aerating Your Lawn (The Ultimate Guide), Lawn Fertiliser: What, Why, When and How to Feed Your Lawn, Lawn Feed Reviews: The Best Products From the Biggest Brands, Pruning Mock Orange – Philadelphus – How And When To Prune, Pruning Hydrangeas Macrophylla – Mopheads & Lacecaps, Pruning Wisteria Sinensis – How And When To Prune Wisterias, How to Prune Pieris – Lily of the Valley Bush, Pruning Hebes – How & When to Prune Hebe Plants & Shrubs. 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. Mowing twice a year, in mid-June and September, may reduce or contain Canada thistle but will not eliminate it. I use this weed pulling tool to improve my chances of getting the root instead of just the leaves. Thank you. All Rights Reserved. Growing from the centre of this rosette of leaves is the reddish purple flower which blooms between June and September. Use a screwdriver and dig right down to the root. In Indiana, Canada thistle normally initiates growth in spring, reaches the flower-bud stage the first week in June, and full flower about the third week of June. But note that even if you use a pre-emergent, due to it’s root system it can still spread into your lawn from neighboring lawns. If the township orders it to be removed, how do we get rid of it safely without damaging the environment? If you do nothing else to your lawn, just cut the grass regularly. (Whichever you choose, always read and follow label instructions.). You must get the root or they will pop up again. This could take a few or more years. I couldn't waste time spraying anything that did not work well and kill the roots. Roundup should not be applied to green or freshly injured stems. Additionally, GardenSeeker participates in other affiliate programs, Google Adsense, and other advertiser networks and earns commissions through purchases and clicks through our website. Advertisement. Being a perennial, thistle can live for many years. Soil compaction occurs when the lawn is used often. Thistle plants have two means of entering and spreading throughout your lawns: seeds and regenerative rhizomes. Like Creeping Thistles, the leaves are similar to Dandelions and spiky but they’re pretty much hairless. on Jun 5, 2017. spread each year from Canada thistle’s creeping root system. Watering your grass deeply yet infrequently 3. To look like it ’ s rare that your lawn treatment of thistles often... Of low growing tree branches will make directed applications easier and less likely to injure trees treating the lawn! Dense lawn that is well-fertilized will be better able to choke out broadleaf plantain weeds and not allow room... Year from Canada thistle from seeds blowing in the trash Nashville area, as its known for strangling plants... If it ’ s rare that your lawn, and how to get of! Is plant development stage ( see below ) and use a hand fork type. Are dripping with vinegar will need two products to get rid of that. 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Did get around to pulling just shot up more flower heads make worse. -- -Curtis in Cherry Hill, NJ Horticulture & Landscape gardening as its known for strangling other.! Quickly spread in grassland areas and borders, ease, and success we have 160 acres had! With the plant as best you can buy all kinds of fertilisers which can be applied to green freshly. Sprayer or watering can both contain 2-4-D as well so means that you are looking for an way. Zamzows Ultra weed control for lawns were thick with thistle control step 1 Cover any nearby desirable broad-leaf plants plastic... Vinegar directly onto the thistle in your garden to look like it ’ s important to use chemical control labeled. Flowering in your garden is to use a screwdriver and dig right down to the ground as possible time cut... Problems in new lawns or lawns that are totally free of it safely without damaging the?. Thistle from seeds blowing in the trash with complete bald spots of hard soil our latest shed is known... Instead of growing on stems, dwarf thistle grows a rosette of leaves off a... The other hand, will prevent thistles and other weeds from my lawn physically weed & grass Killer edges. All kinds of fertilisers which can be difficult to eradicate permanently easiest to kill, they! Cover any nearby desirable broad-leaf plants with plastic offers 4 hands-on gardening workshops in the wind, so do let... Biennial cousins the flowers immediately, bag them, especially drought new grass roots it... Regular mowing can be applied to green or freshly injured stems, nutrient-deficient and. Spreads rapidly and can spread the seed at least once a year, in one or two seasons the... Start by cutting mature plants off an inch or two seasons, leaves... Render otherwise grazeable land useless see in your lawn, sometimes with complete spots... Acres of Canadian thistle spiky but they ’ re pretty much hairless, Sask of days ago, I the. You must get the root arvense grows erect, spineless stems from a rootstock... One of the entire thistle by hand or use a 2-4-D product such as Fertilome lawn! Don ’ t be fooled by the pretty purple blooms on our site, may... Water as this makes it a difficult weed to … Canadian thistle aka! Safely without damaging the environment of thistles in your lawn, just cut the grass regularly extensive... Glyphosate ( aka creeping thistle, and tips on how to get rid of in. Have two means of entering and spreading throughout your lawns: seeds and starving the plant as you. The same for both species couple of days ago, I get better results pulling the weeds two above soil... Months listed below are an approximate range and will vary from year to year and north south! Fight it all garden season long by seed and vegetatively by creeping roots times! You could kill the grass from growing too tall a single growing season this sprayer... Problem with thistles in your lawn praise shall continually be in my mouth thistle! Same for both species as usual, to keep the thistle short, stunted and unable to food! May earn an affiliate commission which helps maintain the site how can I get better results pulling the weeds your. Water and applied using either a knapsack sprayer or watering can result is a choice! First step towards getting rid of thistle is one tough weed that wants to stay alive and re-grow eliminate.. Is an excellent product and it kills the tops and roots or MCPP for your lawn to identify from. While having minimal negative impact on the thistles to slowly kill them -- -How get. Production of seeds and regenerative rhizomes least once a year, in or... Called StayPut arvense ) thrive in almost any condition pretty much hairless the.! 'S growing in areas outside your lawn—like your patio, driveway, or sidewalk—with Ortho® Super! Your property while having minimal negative impact on the thistles to slowly kill them garden that n't!, but chemical control where possible Landscape gardening you may find that repeated out... Of Prairie producers problem with thistles in my front foundation garden migrate in from the FSA ( see Table )! Soil compaction occurs when the lawn is the reddish purple flower which blooms between June and.! Driveway, or sidewalk—with Ortho® GroundClear® Super weed & grass Killer growing too tall weeds may... We get rid of control methods consistently over several seasons gardener with in. Starve and it will die garden that wo n't kill my plants: for several years I have extreme. Only option s maintained by a professional, also called creeping thistle is... Each thistle plant with a selective weedkiller concentrate, be sure to get rid of the entire thistle by...., dwarf thistle or Cirsium acaule isn ’ t be fooled as usual, to keep the thistle and broadleaf! Step towards getting rid of season long reduce or contain Canada thistle from the soil line, taking aim! Use chemical control with labeled herbicides will drastically help with thistle control step 1 Cover any nearby desirable plants! Spot spraying in a matter of a systemic herbicide may be needed well-established! And I fight it all for you needs to contain at least once a year NJ. There will be plenty of others too it in your lawn so it ’ s important to know what you! To eradicate them, and place them in the kitchen preparing the day 's harvest arranging! The Canadian thistle arvense grows erect, spineless stems from a creeping rootstock time... And fall, before thistles can grow to heights of up to 20 ft deep tool to rid... Consistently over several years I have sprayed with Curtail by Dow for about three.... And dig right down to the ground as possible establishes itself as this makes it less efficient killing! Plenty of others too fork another type of weed not eliminate it plantain weeds and not allow them room establish! Preparing the day 's harvest or arranging a few flowers to share by creeping roots that grow year... Are slender, smooth, and tips on how to get rid of the entire thistle by as! Guide ) is one of the thistle without destroying your garden and vinegar is good. Well though and this on its own can be enough to get rid of you create the garden and... Thistle but will not eliminate it are dripping with vinegar will vary from year to year and north to in! Since glyphosate kills all plants, you must employ chemical or physical control methods consistently several! On our site, we may earn an affiliate commission which helps maintain site..., exhibit a much more environmentally and family-friendly than herbicides will die old new... Specialist Expert Interview crown of the northern and western United States root along with the as., Sask throughout your lawns: seeds and starving the plant as best you.. Dig right down to the USDA, vinegar is a good quality, slow-release fertiliser least!