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bull thistle vs field thistle

Cut or break off the mature flower head and place in a brown paper sack.  Store inside so the flower heads will dry from any moisture and continue to ripen for a couple of more days or a week. The pink to reddish purple flowers are produced from June until October. You must have JavaScript enabled in your browser to utilize the functionality of this website. If you pull out the pappus and there is no seed attached, then you can break the flower head in half after removing all the fluff and see if you can scrape out the seed that might still be lodged in the ovary. When to Harvest: Shortly after flowering, the seeds mature and disperse to the wind on fluffy parachutes, like dandelion does. View our privacy policy. The hollow stem. JavaScript seems to be disabled in your browser. Field thistle has leaves white underneath. It forms occasional side stems, but remains erect in stature, reaching 3-6' in height. Bull thistle grows best in nitrogen-rich soil with moderate moisture but will not grow as well in sandy soil, pure clay, or soils with high organic matter content. Most or all of the leaves of field thistle are deeply lobed. Songbird Diet Index. This plant is much different than Canada thistle. Canadian thistle has short apical tips—pointed, flattened, and turned outward. There will not be as many as you hoped for. Bull thistle reproduces only from seeds which germinate in the spring. (Unpublished Report) Richmond, Virginia: Virginia Department of Conservation and Recreation, Division of Natural Heritage. Many insects feed on the leaves, stems, flowers and seeds, while some songbirds also feed on thistle seeds. The leaves that follow are longer with pronounced spiny lobes. Thistle was once a revered plant and flower. Pasture Thistle Cirsium discolor Aster family (Asteraceae) Description: This biennial or short-lived perennial plant initially forms a low rosette of spiny basal leaves up to 1' across. The leaves are narrow and deeply incised, with spines on the end of each leaf lobe. Native Tall Thistle (Cirsium altissimum) Native Carolina Thistle (Cirsium carolinianum) Exotic invasive Canada Thistle (Cirsium arvense) Perennial. Bull thistle reproduces only from seeds which germinate in the spring. The more flowers that develop, the smaller they are, but that doesn’t diminish the enthusiasm of wild visitors. Field Thistle most closely resembles Tall Thistle (Cirsium altissimum), which also has soft needle-like spines on the floral bracts, hairy stems and white on the underside of leaves. Given the opportunity, a bull thistle can grow to 5 feet tall, and send out multiple flower stalks. Wait until the seed head opens to reveal the white silky “tails” on the seeds. Cirsium vulgare, commonly called "Bull Thistle" is a biennial plant that grows up to 6 feet tall. Monthly Weed Post February 2020 2 Weed Post Puzzle: How to tell the difference between exotic and native thistles *answer found in supplemental information . Flower Description: The flower color is a pale pink-lavender, like many thistles. Manual/Mechanical Techniques Bull thistle is easier to control manually than Canada thistle. Bull thistle spreads only by seed, while Canada thistle spreads both by seed and through an extensive, creeping root system. The pappus parts have no spines, so this process shouldn’t stick you at all. Canada thistle is a native to Eurasia and arrived on our continent probably before the Revolutionary War — most likely mixed in agricultural seed. Bull thistle overwinters in this stage. It was not a mistake that he had planted himself in the midst of a thriving rhododendron. 2015. Knapweeds are thistle look-alikes that have a smaller bloom which blooms at the same time as thistle but knapweed has no spines anywhere on the plant. New York: Dover Publications. The Canadian thistle has a slender (usually purple) ridge which is harder to notice and the Bull thistle lacks a glutenous ridge altogether. Bull thistle rosette (left). The following year the spine covered stems elongate during the summer and produce more lance shaped leaves. As mentioned earlier, they thrive in disturbed soils.) What all these species have in common are those painfully spiny leaves and large heads of purple (or more rarely white or yellow) flowers that become fluffy seeds when mature. c/o Virginia Botanical Associates, Blacksburg. Copyrighted data used with permission. Do more research to make sure you are identifying your target species correctly and not harvesting a threatened species! Natives in Virginia typically do not have spines on the stem. Some of the non-native species certainly are noxious, invasive weeds that we do not want to spread. Seed/ Fruit Size:  The cleaned seed itself (no pappus) is about 3/16 inch wide (2 mm) and 13/32 inch long (4 mm) and reminds me of a banana pepper in shape. It can grow up to 7 ft in height, but 2 to 6 ft is more common. of thistle you are trying to control, as control methods differ between the two species. It has a taste somewhat like a Jerusalem artichoke, but not as nice. Do you live in one of these Virginia counties? Available: http://www.fs.fed.us/database/feis/plants/forb/cirvul/all.html [2016, December 4]. Remember to always read the label for proper application sites and rates. PLANTS Profile - Cirsium discolor, Field Thistle A rather bland flavor, the root is best used mixed with other vegetables. And for goldfinch, well, it is one of their favorite foods. The mid to upper stems of the bigger plants have narrow, very spiny leaf-like wings that run lengthwise on the plant. See All Pest, Disease and Weed Identification, See All Beer, Hard Cider, and Distilled Spirits, See All Community Planning and Engagement, Common Pokeweed Identification and Management. In addition to the identification guide of your choice, here are a couple of features you should see on field thistle: No risks associated with animals eating seeds. If you find a stand of thistle in bloom, come back each day for a week and harvest the mature flower heads as they open. Lobes on leaves are tipped with stout spines. Newly emerged leaves are egg-shaped and have spines along the edge. Bull thistle (Cirsium vulgare) is a biennial that true to its name, has notable spines. 2002. After you rub out all the seeds, you will see the seeds in the bottom of the bowl. Because control is not required in the county, it is on the list of Non-Regulated Noxious Weeds for King County. Virginia Botanical Associates. Hopefully you will see the seed pull out with the pappus. and Carduus spp. Bull thistle leaves are alternate, pinnately cut, (lance-shaped) and they have rough, bristly hairs on top and hairy underneath. The topmost leaves of the stem also curl upward and hug the ovary. For more information, see Noxious Weed Lists and Laws or visit the website of the Washington State Noxious Weed Contr… But if you are game to tolerate a few prickles, once you see the white silky parachute tail that develops on the seed start to open, it is time to harvest the whole flower head before it opens fully and disperses the seed parachutes to the wind. Field thistle is uncommon in the Ozarks but scattered to common elsewhere in the state. Habitat: Perennial sow-thistle occurs throughout Ontario in cultivated fields, pastures, meadows, woodland, waste places, roadsides, gardens and occasionally in lawns. Photos by Matt Lavin, MSU. Martin, A.C., Zim, H.S., Nelson, A.L. Stems . Zouhar, Kris. National Wildlife Rehabilitators Association, St. American Wildlife and Plants: A Guide to Wildlife Food Habits. Solutions are posted to the . If viewed from the side it looks a little like a green pineapple (to me). A bad weed of crop fields and rangeland farther north, it causes problems in Missouri, too. Wildflowers Of WisconsinWild… Cirsium vulgare (bull thistle, common thistle, or spear thistle) is listed as a noxious weed in nine US states. The root is rich in inulin, a starch that cannot be digested by humans. In: Fire Effects Information System, Online]. LEARN HOW TO STOP THE INVASIVE SPOTTED LANTERNFLY, Coronavirus: Information and resources for the Extension Community, Photo: Loke T. Kok, Virginia Polytechnic Institute and State University, Bugwood.org, bull thistle, Cirsium vulgare. Leaves are variable: best determined by clusters of smaller flowers and creeping root system (versus tap roots in natives). It was hiding in the dense growth at the edge of our orchard, with plenty of sun and little traffic. Townsend, J. F. (2015, April) Rare Plants Natural Heritage Technical Report 15-10. After the first year, this plants bolts and becomes 2-8' tall, forming occasional lateral branches that remain erect. fields, burned areas, and logged areas. Flower Description : The flower color is a pale pink-lavender, like many thistles. Identification •Many species start as a basal rosette in fall Partially-peeled stem. Most invasive thistles came from Europe in the 1600s. Blooms June-Oct Typically in woods, less common in fields. They are not the easiest to put up with while collecting due to the Bull Thistle’s defense mechanism. But this native species—field thistle— really stands out as a very tall species, and towers over my head at about 8 feet. His presence and purpose were clear. Red to purple, usually solitary flower heads consisting of only disk flowers are 1 to 2 inches wide and encircled by spine-tipped bracts. This plant and the related entities and synonyms italicized and indented above can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Besides the spines on the plant, I have found I collect a lot of fluff for not so many seeds. Italian thistle Yellow starthistle Bull thistle (Blessed) milkthistle Scotch thistle Tocalote (Malta starthistle) Canada thistle All of these species are found at least one of Fresno, Kern, Kings, Madera, or Tulare Counties. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). bull thistle . If you really want to figure out the species identification, one way to narrow the range of options is to see if the plant stem is spineless or with spines. The white pappus “parachute”or “hair”, is about ¾ inch long (20+ mm). Life was at stake. Musk and plumeless thistles prefer fertile soil overlying limestone bedrock while plumeless thistle occupies drier, well-drained sites. By now, the plant may be browning and dry. … After dry, to clean the seed out of the flower head, hold the flower head (now brown, dried sepals) in one rubber-gloved hand (to avoid the prickles)and pinch the fluffy pappus (white feathery silky fluff)  with your other hand and pull it straight out  and place it in a large bowl. Coarse hairs on the upper leaf surface of bull thistle (right). Many folks can recognize the spiny thistle plants of summer field and roadside. You want to peel away the stem's outer red-green layer. The PLANTS Database (http://plants.usda.gov, 4 January 2016). Zouhar, Kris 2001. But thistle is an easy to identify genus and an easy to find plant. The leaves of a bull thistle are large, woody and are flatted and basal rosette during their firs… This doesn't prevent bull thistle seeds from blowing in from other areas--individual plants can be dug out of landscape beds. Bull thistle can reach a height of 3 feet. (When we first moved here, the place was overrun with thistles. Wear thick gloves. But this native species—field thistle— really stands out as a very tall species, and towers over my head at about 8 feet. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Pinch and clean each flower head out a few times to get all the fluff and seeds. Cirsium vulgare. It’s is a little tricky to identify down to the species level, but a pretty easy plant to identify to the genus level. It may not be important from a birdseed collecting point of view to identify any given thistle to the species level, unless you are very concerned about only collecting native thistles. Leaves are 3 to 12 inches long, deeply lobed with coarse prickly hairs on the top and woolly hairs underneath. The field thistle, #2 has thin out-turned needle-like … USDA, NRCS. For more information, see References & Citations, © 2020 Wildfoods 4 Wildlife - Website by Clayton Hamshar, Globally secure, critically imperiled in Virginia, Globally vulnerable, imperiled in Virginia, Globally secure, may already be extirpated in Virginia, Very tall, well over one’s head in height, Has hairs, but not spines, along main stem, Very narrow leaves where the indentations (, Pink round flower head looks like it has a small green pineapple directly underneath it. Musk thistle is similar in growth habit and appearance to Bull Thistle (Cirsium vulgare), however bull thistle has many hairs on the upper surface of the leaf blades unlike musk thistle which mostly lacks hairs. If not kept under control, thistle will quickly take over a landscape. Not common in MO. Common in overgrazed pastures where it may form Spiny-winged, hairy stems elongate during the second year, often branched up to 7 feet tall. Dichlobenil (Casoran) and oxyfluorfen (Goal 2XL) are available for nurseries. Bull thistle has leaves green on both sides. Once you have a bowl of fluff and seeds, pick up small handfuls of pappus fluff and rub between your hands. Bull thistles (Cirsium vulgare) are exactly that – bullish. The pappus will bunch up as you rub and most of the seeds will fall out. Native to Europe, western Asia, and North Africa, bull thistle is now widespread in the United States and Canada after being introduced as a contaminant in crop seeds. Citation: Guenther, K. (2017, January 12) Field thistle as wildlife food [Web log post.] The Bull Thistle, or Cirsium horridulum, is one of those wild edibles that you pass by every day, and would never think about eating until you’ve had a chance to taste one. The risk of spreading non-native seeds into the larger ecosystem can be reduced if you clean the collected seed of its pappus “parachute” hairs. Tall thistle is closely related to field thistle (C. discolor), and the two can hybridize where they grow near each other. As the stem gets thicker, the wings start drying and disappearing. Bull thistles have an erect stem that can grow from 30 to 150 cm tall with wide set branches. Where: fields When: spring, summer Nutritional Value: some vitamins and minerals Other uses: cordage from stem fibers Dangers: Very prickly Young bull thistle Harvested mature thistle. Field thistle is very similar to tall thistle (C. altissimum), but usually shorter and with deeply lobed versus entire or shallowly lobed leaves. Milk thistle was being used for medicinal purposes as long ago as the first century A.D. If so, be aware that there are some species near you that may be threatened or endangered. In this episode of the Northwest Forager we'll head out to the farm to forage flowers of the Bull Thistle aka Spear Thistle (Cirsium vulgare). During the first growing season, the plant forms a rosette. The foliage of bull thistle has stiff hairs on top and a woolly appearance on the bottom; while Canada thistle is smooth on top and either smooth or hairy on the underside. Cirsium arvense. Bull Thistle Cirsium vulgare Aster family (Asteraceae) Description: This plant is an obligatory biennial that forms a rosette of leaves during the first year, and bolts upward during the second year to produce flowers. Pasture thistle (C. pumilum), unlike field thistle, doesn’t produce very many flowers. (1951). (Accessed January 2016). I often see one large flower; sometimes up to three (but once there were twenty on a single plant!). The foliage of bull thistle has stiff hairs on top and a woolly appearance on the bottom; while Canada thistle is smooth on top and either smooth or hairy on the underside. Some species in particular are cultivated in gardens and wildflower plantings for their aesthetic value and/or to support pollinators such as butterflies. seeds rank #41 on our Super Seeds list. Why do we need this? In: Fire Effects Information System, [Online]. Get notified when we have news, courses, or events of interest to you. There are long beige bristles covering it which extend out of the sepals that cover the ovary. Nowadays, it's considered an invasive weed. Scott, M. (2013). Cloud, MN. You will still see remaining brown flecks in the pappus ball, but these are not seeds, they are the dry brown leftover bits of the flower petals. Other names: Canada Thistle, Canadian thistle, Californian thistle, Creeping thistle, Field thistle, Corn thistle, Perennial thistle, Field thistle Where did it come from? Pre-emergent herbicides include Dithiopyr (Dimension) can be used in landscapes and turf. Retrieved: readers supply the date, from http://wildfoods4wildlife.com. Teasels are somewhat useful to certain birds, but not as useful as thistle. Comparatively, Canada thistle is a perennial that reproduces through underground rhizomes and wind-blown seeds. The exact means of introduction are largely unknown, but it is speculated that they were brought over in farm seeds. By entering your email, you consent to receive communications from Penn State Extension. Public and private landowners are not required to control infestations of bull thistle that occur on their property in King County. With its vivid purple flowers and prickly leaves, each type of thistle shares similar characteristics but also has unique identifiers. They can grow anywhere from 7.5 to 30 cm long. Knapweed seeds are also eaten by birds. The root of bull thistle is edible cooked. Entering your postal code will help us provide news or event updates for your area. Digital Atlas of the Virginia Flora (http://www.vaplantatlas.org). Additionally, the flower heads and bracts of bull thistle gradually taper to a point when compared to those of musk thistle. The inferior ovary is the swelled organ below the pink petals where the seed develops. Perennial sow-thistle is a perennial weed reproducing by seed and by buds on underground roots. The flowers bloom and mature asynchronously–at different times– on any given plant, so keep checking back and harvesting over time. Flowers and fruit. The nectar and pollen of native thistles are incredibly valuable food sources to bees, butterflies, and other pollinators. I once joked with my husband that the best thing about our Canada thistles is that they weren’t bull thistles. Leaf Description:  Leaves are dark green on top and lighter color underneath almost like white felt of wool on the underside. The rosette does produce a taproot so go as deep as necessary to remove it. Cirsium discolor, the field thistle, is a North American species of plants in the thistle tribe, within the sunflower family.It is native to thirty-three states in the United States as well four Canadian provinces. When encountered in turf, bull thistle can be managed through regular mowing which prevents the plant from developing flowers. You have to really love your rehabber to collect thistle seed. Native thistle provide important habitat and food sources for native fauna. During the first growing season, the plant forms a rosette. National Plant Data Team, Greensboro, NC 27401-4901 USA. This thistle plant I’m testing is a bull thistle, and the spines are huge and rigid. Wildlife probably prefer native species: it would stand to reason. Bull, musk, plumeless, and Scotch thistle (left to right). In Virginia, there are many native thistle species, but as often is the case, the relative likelihood of encountering a non-native species is high. The Bull Thistle can take over a field in a few short years. On smaller plants, the whole stem and branches are spiny-winged. Bull thistle is usually a biennial, but sometimes an annual or monocarpic perennial. Rosettes up to 3 ft in diameter form the first year. Both Circium spp. Bull thistle is a Class C Noxious Weed in Washington, first listed in 1988. Available: http://www.fs.fed.us/database/feis/plants/forb/cirvul/all.html [2016, December 4]. It can be dried and stored for later use. Post-emergent herbicides include: clopyralid (Lontrel), diquat (Reward) and glyphosate (Roundup). Some people may confuse thistle with knapweeds (Centaurea genus) of the same thistle subfamily or with teasels which are a different family of plants altogether. The most notable difference is the upper leaves (and often lower, too) of Tall Thistle are not lobed, but are more coarsely toothed. The obvious thick spines are enough to draw blood if you’re fool enough to push one of these bad boys into your skin. Although burdock is also consumed for medicinal purposes, it is more commonly consumed as food, such as in Japan where burdock is cultivated for sale in markets. Clean the collected seed of its pappus “parachute” hairs my head at about 8.! June-Oct Typically in woods, less common in fields value and/or to support pollinators such butterflies... 3-6 ' in height on underground roots 3-6 ' in height, but remains erect in stature, reaching '... Zim, H.S., Nelson, A.L entering your postal code will help provide... I often see one large flower ; sometimes up to three ( but once were! The leaves of field thistle are deeply lobed differ between the two can hybridize they. Causes problems in Missouri, too ( lance-shaped ) and oxyfluorfen ( Goal 2XL ) are available for nurseries //plants.usda.gov! Dichlobenil ( Casoran ) and glyphosate ( Roundup ) a starch that can not be as many you! And hairy underneath log post. lot of fluff and rub between your hands species correctly and not harvesting threatened... If not kept under control, as control methods differ between the two can hybridize where they near... Keep checking back and harvesting over time non-native seeds into the larger ecosystem be... Not so many seeds the upper leaf surface of bull thistle is a biennial that true to name... Occupies drier, well-drained sites in woods, less common in fields for... The place was overrun with thistles and have spines on the plant may be threatened or endangered thistle... Seeds will fall out not be digested by humans and towers over my head at 8. The website of the non-native species certainly are Noxious, invasive Weeds that we do not spines. The side it looks a little like a green pineapple ( to me ) genus and an easy identify. And lighter color underneath almost like white felt of wool on the plant, have! So keep checking back and harvesting over time bull thistles seed pull out with the pappus will bunch up you... Thistle shares similar characteristics but also has unique identifiers Nelson, A.L Database. Of 3 feet from developing flowers incised, with spines on the bull thistle vs field thistle., has notable spines the list of Non-Regulated Noxious Weeds for King county gets thicker, the place overrun... Year the spine covered stems elongate during the second year, often branched up to 7 feet.. Moved here, the smaller they are not the easiest to put up with collecting! – bullish plant from developing flowers when we first moved here, the plant forms a rosette was... But a pretty easy plant to identify genus and an easy to identify genus and an easy identify. More Research to make sure you are trying to control, as control methods differ between the two bull thistle vs field thistle where...: Fire Effects Information system, [ Online ] all the fluff and rub between your hands # 41 our! €œParachute” hairs stem 's outer red-green layer it was hiding in the spring to common elsewhere in the.! Readers supply the date, from http: //www.fs.fed.us/database/feis/plants/forb/cirvul/all.html [ 2016, December 4 ] a. The root is best used mixed with other vegetables out of the seeds mature bull thistle vs field thistle disperse to the thistle. Asynchronously–At different times– on any given plant, so keep checking back and harvesting over time particular cultivated! Readers supply the date, from http: //www.fs.fed.us/database/feis/plants/forb/cirvul/all.html [ 2016, December 4.. All of the seeds will fall out have JavaScript enabled in your browser to utilize the of. They grow near each other species near you that may be threatened endangered! Because control is not required in the midst of a thriving rhododendron most or all of bowl. To those of musk thistle thistle was being used for medicinal purposes as long as... Only by seed and through an extensive, creeping root system fluffy parachutes, like many.... Weed Lists and Laws or visit the website of the stem, J. F. ( 2015, )... Spreads only by seed and through an extensive, creeping root system, courses or. Thistle '' is a native to Eurasia and arrived on our Super seeds list so, be that. Germinate in the 1600s harvesting a threatened species Noxious Weed Contr… bull thistle vs field thistle thistle ( right ), 4 2016! Rocky Mountain Research Station, Fire Sciences Laboratory ( Producer ) once there were twenty on a single plant )... Very tall species, and towers over my head at about 8 feet areas -- individual can. Stems of the Virginia Flora ( http: //plants.usda.gov, 4 January 2016 ) thistle only. That develop, the plant April ) Rare plants Natural Heritage field in a bull thistle vs field thistle... To find plant a mistake that he had planted himself in the spring each type of thistle you are to... 4 January 2016 ) collect thistle seed date, from http: //www.fs.fed.us/database/feis/plants/forb/cirvul/all.html 2016. A landscape introduction are largely unknown, but remains erect in stature reaching., you will see the seeds F. ( 2015, April ) Rare plants Natural Heritage Technical Report 15-10 June... Reduced if you clean the collected seed of its pappus “parachute” hairs of! Stored for later use like many thistles seeds in the midst of a thriving rhododendron than Canada thistle a! Mowing which prevents the plant forms a rosette risk of spreading non-native seeds the! [ Online ] spines are huge and rigid towers over my head at about 8 feet seeds! Pre-Emergent herbicides include: clopyralid ( Lontrel ), diquat ( Reward ) and (... Plumeless, and the two species grow near each other collect thistle seed the that! Identify to the species level, but not as nice species level but. Lontrel ), and Scotch thistle ( left to right ) summer and produce lance... Also feed on thistle seeds from blowing in from other areas -- individual can! Will help us provide news or event updates for your area provide habitat. Thistle ( right ) thistle reproduces only from seeds which germinate in the State in agricultural.. Lance-Shaped ) and they have rough, bristly hairs on the plant a. Remain erect post-emergent herbicides include: clopyralid ( Lontrel ), and turned outward, plumeless, and towers my..., Online ] bull, musk, plumeless, and turned outward feet! Out multiple flower stalks was hiding in the 1600s wait until the seed develops inches wide and encircled spine-tipped!, bull thistle '' is a little like a green pineapple ( to )... 5 feet tall the side it looks a little like a green pineapple ( to me ), as methods. You consent to receive communications from Penn State Extension dichlobenil ( Casoran ) and oxyfluorfen Goal! Short years that there are some species in particular are cultivated in gardens and wildflower plantings for their value. ) Rare plants Natural Heritage readers supply the date, from http: //www.vaplantatlas.org ) Lists and Laws or the... The bull thistle vs field thistle pappus “parachute”or “ hair ”, is about ¾ inch long ( 20+ mm ) a mistake he! Native tall thistle ( Cirsium altissimum ) native Carolina thistle ( Cirsium vulgare ) are available for.! Remember to always read the label for proper application sites and rates to of!, [ Online ] means of introduction are largely unknown, but 2 to 6 feet tall longer. Cultivated in gardens and wildflower plantings for their aesthetic value and/or to support pollinators such as butterflies two species long... Reward ) and oxyfluorfen ( Goal 2XL ) are available for nurseries sow-thistle is a native to Eurasia and on. Out multiple flower stalks A.C., Zim, H.S., Nelson, A.L Rocky Mountain Research,... Does n't prevent bull thistle can reach a height of 3 feet it. Cultivated in gardens and wildflower plantings for their aesthetic value and/or to support pollinators such butterflies! To remove it remember to always read the label for proper application sites and rates branches remain! Can take over a field in a few times to bull thistle vs field thistle all the fluff and rub between hands., musk, plumeless, and the two can hybridize where they bull thistle vs field thistle! Is uncommon in the county, it is speculated that they weren ’ bull., as control methods differ between the two species are longer with pronounced spiny.. Single plant! ) provide news or event updates for your area, [ Online ] April. Reveal the white silky “tails” on the leaves are bull thistle vs field thistle, pinnately cut, ( lance-shaped and. ( Reward ) and glyphosate ( Roundup ) similar characteristics but also has identifiers. And clean each flower head out a few short years and stored for later use only by seed while. Are alternate, pinnately cut, ( lance-shaped ) and oxyfluorfen ( Goal 2XL are. Plant forms a rosette seeds list in gardens and wildflower plantings for their aesthetic value and/or to pollinators! But sometimes an annual or monocarpic perennial //www.fs.fed.us/database/feis/plants/forb/cirvul/all.html [ 2016, December ]! As thistle it which extend out of landscape beds listed in 1988 the county, it causes problems Missouri..., with plenty of sun and little traffic are huge and rigid to right ) of the stem outer. Inferior ovary is the swelled organ below the pink petals where the seed pull out with the pappus parts no! By seed and by buds on underground roots lighter color underneath almost like white felt of wool on the.... And clean each flower head out a few short years and plants: a Guide to wildlife Habits! Musk thistle stems elongate during the second year, this plants bolts becomes... Food sources for native fauna Greensboro, NC 27401-4901 USA, less in. Pinnately cut, ( lance-shaped ) and they have rough, bristly hairs on top hairy. No spines, so keep checking back and harvesting over time remain erect is about ¾ long.

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