tall thistle identification

I also see a lot of spear thistle in similar habitats, although when found in grassland, it's not as abundant as the creeping species. Note: All comments are moderated before posting to keep the riff-raff out. tall thistle. sparingly branched. Photographic plant begins to wither away and turns yellow to brown. Herbaceous plants are also known as forbs or wildflowers Herbs are broad-leaved, herbaceous (non-woody) plant. The tall thistle’s leaves are green and mostly hairless on the upper surfaces, with white fuzz on the lower surfaces. Herbs are broad-leaved, herbaceous (non-woody) plant. These leaves are So how do you know which one’s sprouting in your garden? Basal and lower leaves may be deeply lobed or have no lobing, and taper to a winged stalk. from late summer to early fall and lasts about 1–1½ months. The leaf flowerhead has a multitude of small disk florets that are pink to An flowerheads are usually fragrant. borealis (Northern Grasshopper), Entylia bactriana Thistles can be biennial, short-lived perennial or annual. (1917), and Brust et The group of 5 is wild lettuce, we think. ), Tall Thistle and Pasture Thistle, the Bull Thistle has leaf undersides spines along their margins like the leaves. Distaff thistle is a spiny annual growing to 3 1/2 feet tall. Tall thistle may be confused with the earlier flowering musk thistle. See Terms of Use and Privacy Policy. caterpillars of several moths (see Moth Table). 1st year plants are similar to the alternate leaves, except they are Tall Thistle can be found in both disturbed and undisturbed Was there something different about what you saw at Quarry Park SNA? The lower leaves may wither Unlike the slender lobes. Proper identification of thistles and timely decisions about their control is essential. heavily armed with spines than some thistles, they provide some There are many other yellow members of the daisy family with flowers similar to those of the Dandelion. The basal leaves of The 1 farther away bloomed a few weeks ago and had "the down of a thistle" - I will check next year. Thistle undersides of the preceding native thistles are bright white because savannas, thickets, swamps, meadows, areas along railroads, and You can identify the Scotch thistle, Onopordum acanthium, by its hairy, greyish blue foliage. For info on subjects other than plant identification (gardening, invasive species control, edible plants, etc. The root systems explain why; spear thistle has a tap root, whereas creeping thistle grows on rhizomes. Smooth Sow-thistle and Common Sow-thistle often hybridise, resulting in plants with slightly prickly leaves. terminate in individual flowerheads spanning about 2" across. The flower heads are shaped like compact purplish shaving brushes. where it occurs. 1st year, it consists of a low rosette of leaves spanning about 1' (2004), Marshall (2006), Cranshaw (2004), Funkhouser Prickles can also occur all over the plant – on the stem and on the flat parts of the leaves. The floral bracts and white undersides of leaves are much the same as Field Thistle (Cirsium discolor), which has deeply lobed leaves all the way up the stem. It occurs in the United States east of the Great Plains and in southern Quebec. roadsides. purplish pink. Also like dandelions, the wind blows the light seeds so they continue to spread … The The plant is also known as "nodding thistle" due to the large, drooping inflorescences. becoming gradually smaller as they ascend the stems. Habitats include open deciduous woodlands, woodland Faunal There are 58 species of Cirsium thistles native to North America. The The tall thistle is also unique in that it flowers in the fall instead of the summer or spring. other common thistles, except that its leaves are less pinnatifid and Is there a way to upload pictures here? This perennial can reach 5 feet tall. of the flowerheads become masses of bullet-shaped achenes with tufts of each leaf is sessile or clasps its stem slightly. (Thistle Tortoise Beetle), Euphoria Its stalks are smooth, green, branched, and mostly lack spikes. Many insects feed on the leaves, stems, flowers and seeds, while some songbirds also feed on thistle seeds. (a treehopper), and often more deeply pinnatifid. more heavily armed with spines than the Pasture Thistle. Milk Thistle Identification. During the 2nd year and thereafter, it develops stems with alternate leaves and becomes about 3-8' tall. Its presence on the prairie is celebrated as a sign of a healthy and biodiverse tallgrass prairie ecosystem. preference is full sun to light shade, moist to mesic areas, and a The upper stems It's over 6 feet (>1.8 m) tall at this time, and looking rather wilted today in the heat. Your email address: (required) The large beautiful purple to pink colored flowers attract many butterflies, moths, bees and other insects. cardui (Painted Lady), also feed on The sow-thistles are easily distinguished by the shape of their leaves. 71). Stems have a winged appearance. Map). Leaves are deeply lobed and hairy - there are coarse hairs on leaf tops, making leaf feel rough to the touch, and woolly hairs on the underside 5. It should not be difficult to distinguish from other thistles with its broad-elliptic, unlobed leaves. Bull thistle is a biennial herbaceous plant. Description: such aphids as Brachycaudus Cirsium altissimum aggressive Eurasian species, Cirsium vulgare (Bull Leaf bases extend down onto stems and form spiny wings along the stems 6. destructively on the foliage, sap, and other parts of Cirsium spp. al. Florida Thistle Identification Pictures . To identify it, notice its leaves, which are unlobed (though they may be wavy or have only shallow, broad lobes), are felty-hairy beneath, and have prickles only along the edges. Tall Associations: surface is covered with a dense mat of white-woolly hairs. thistles are in bloom at about the same time of year and their erect Click on an acronym to view each weed list, or click here for a composite list of Weeds of the U. Aster family (Asteraceae). The Tall Thistle is a native thistle of the tallgrass prairie. fertile loam, clay-loam, or sandy-loam soil. Map of native plant purveyors in the upper midwest. Minnesota Environment and Natural Resources Trust Fund, shade, sun; woods, thickets, fields, roadsides, waste areas. Cultivation: Tall Thistle (Cirsium altissimo) Blooming from late summer into fall, in the central and eastern United States, the Tall Thistle can reach heights of eight feet, and is found on uncut roadsides, fields and pastures and the margins of wooded areas. Help support this site ~ Information for sponsor opportunities. Thistles have all disc flowers that are shaped into long tubes. The flower heads are light purple and shaped … The weed milk thistle, its spitting image, is common throughout North America, and both reseed readily. The native Tall Thistle is occasional throughout Illinois (see Distribution During the 2nd year and thereafter, it develops stems with Range & Habitat: The Creeping thistle is our most common species of thistle and can be found on disturbed and cultivated ground, such as rough grassland, roadside verges and field edges from June to October. How to tell globe thistle and milk thistle apart. wildflower is a biennial or short-lived perennial. attracts Halictid bees and other bees, Syrphid flies, and various An email address is required, but will not be posted—it will only be used for information exchange between the 2 of us (if needed) and will never be given to a 3rd party without your express permission. Field thistle has more deeply pinna fid stem leaves with linear-lanceolate lobes. Is this the first instance of Tall Thistle in Dakota County?? Photos by K. Chayka and Peter M. Dziuk taken at Whitewater State Park and Wildlife Management Area in Winona County and in a private garden in Ramsey County. purple thistle bud image by Roman Ivaschenko from Fotolia.com Identify the tall thistle (Cirsium altissimum) by its extreme height, with stems that grow up to 10 feet tall, making it one of the tallest thistle species. Above: Misty globe thistles (Echinops ritro) by Isidre Blanc via Wikimedia.The gentler cousin to the Scottish thistle, non-invasive globe thistles (Echinops ritro) are ideal for the garden.With deep blue or violet orbs perched on silvery stems that are from 2 to 4 feet tall, globe thistles provide a striking architectural and textural element to the garden. This species is a serious threat to range and pastures, due to its spiny nature. floral scales (phyllaries) that partially overlap each other. Identify Thistle Varieties . ), across. The Leaves: Very spiny stems and leaves. of each leaf is green with appressed white hairs, while the lower see Clark et al. Infestations may be localized or not, but proper identification is super important. Bull thistle grows in disturbed areas such as pastures, roadsides and ditches. small floral scale is lanceolate-ovate and dark green with a white During the each lobe or dentate tooth, there is usually a spine. more tolerant of shade than other thistles. The central stem and side stems are light green to Funding provided by the Minnesota Environment and Natural Resources Trust Fund as recommended by the Legislative-Citizen Commission on Minnesota Resources. I'm kind of curious about whether it will flower, and I decided to let it grow this year for identification. Think I saw it on field trip with the Native Plant Society on June 26, 2016 in wooded areas of the Quarry Park SNA. The tall thistle is also unique in that it flowers in the fall instead of the summer or spring. itself. Now that my few thistles are blooming, I see that they do match up with C. discolor. Identification: Tall thistle is an erect, robust, biennial or short-lived perennial forb that rises on a single stem from a slightly thickened taproot and fibrous roots. This plant and the related entity 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. Tall thistle is a native thistle that can grow to be 10 feet tall! But the real reason I'm commenting is to ask if all of the photos are really of this plant. Bull thistle is distasteful to most grazing animals, giving the thistle a competitive edge. Where to find thistles. It About 200 species are known worldwide from North America, Europe and Asia. Bull thistle is a biennial plant that can grow up to six feet tall. 1. The base of If left to grow, this type of thistle can reach about 4 feet tall and will have soft, green, spear-shaped leaves that are covered with barbs. (thistles). midrib; it has a dark tip, where a fine spine projects outward. Reminds me of a thistle, but it doesn't really have that many barbs, and the ones that it has don't prick my finger when I touch them. Tall Thistle is spp. Comment (max 1000 characters): Note: Comments or information about plants outside of Minnesota and neighboring states may not be posted because I’d like to keep the focus of this web site centered on Minnesota. The undersides of tall and field thistle leaves are hairy and white, with field thistle having leaves more deeply divided by numerous lobes. Stems: Erect, large, coarse, branched above, greenish, pubescent. At the pointed tip of The non-native thistles are easily distinguished by their sharp spines, especially along the stem. Thistle Aphid); thistles (Opler & Krizek, 1984; Wagner, 2005), as do the Thistle Weeds Identify . lanceolate, oblanceolate, or elliptic in shape; their margins are The nectar and pollen of native thistles are incredibly valuable food sources to bees, butterflies, and other pollinators. Native thistle provide important habitat and food sources for native fauna. These stems are usually During the 1st year, it consists of a low rosette of leaves spanning about 1' across. The size of this plant can vary spp. Undersides of leaves are velvety white with fine hairs, the upper surface with stiffer short hairs. At the base of these floral bracts surrounding the stalk are several narrow leafy bracts. Most of these invasives bloom earlier in May and June. Tall Thistle is a Herb. Its creeping roots enable it to quickly spread across an area, forming large colonies. Another noxious thistle, it has large, spiny leaves and flowers, which turn reddish-purple. Seeds: A single plant can produce up to 120,000 seeds annually, with seeds remaining viable in the soil up to 5 years. Where in Minnesota? Thanks for your understanding. Each If invasive thistles are not present, use of feed and hay from infested areas should be avoided. Rosette leaves of musk thistle usually have silvery margins that simplify identification. resembles Cirsium discolor (Pasture Thistle) and Location: These prickles are an adaptation that protects the … Canadian thistle is also difficult to control and can quickly infect gardens and fields. (Swamp Metalmark) and Vanessa Helen, it is possible you have the more common field thistle, Cirsium discolor. The native Pasture Thistle prefers habitats that are more dry Only the tall native thistle blooms in September into October. Thistles of Nebraska Pla ©e Thistle Cirsium canescens Nu ©. Perhaps what you saw was C. discolor? It's not in bloom yet but still striking. Tall Thistle Plant . Each floret has a tubular corolla that divides into 5 Thistle is the common name of a group of flowering plants characterised by leaves with sharp prickles on the margins, mostly in the family Asteraceae. The caterpillars of two butterflies, Calephelis muticum Stems are ridged and covered with crisp, bristly hairs but are not spiny; branching is in the upper portions of mature plants. This thistle is 80 to 200 centimeters (about, 31 to 79 inches) tall. Tall Thistle (Cirsium altissimum) Later than the normal bloom for the Tall Thistle this late arrival is somewhat stunted. Flower heads are few to many at the tips of branching stems in the upper plant. Swallowtail butterflies (Papilio Pink-magenta flower heads top each stem 7. (2008). Pick an image for a larger view. This wildflower spreads by reseeding Comments: The prickly sow-thistle, Sonchus asper, is similar but its leaves are generally greener and with sharper spines. ), please check the links and invasive species pages for additional resources. Slate-colored Junco, and Indigo Bunting eat the seeds of thistles; the The disk florets This Globe thistle is cold-hardy in USDA zones 3 to 8. Identification. Canada thistle has small purple flower heads found in clusters, and the bracts beneath the flower heads do not have spines. Identify the tall thistle (Cirsium altissimum) by its extreme height, with stems that grow up to 10 feet tall, making it one of the tallest thistle species. The Tall Thistle (Cirsium altissimum)ranges from 4-5 feet in height with dark to light purple flower heads. and sunny, but it is also sometimes found in wooded habitats. flowerheads are pink to purplish pink. cardui (Thistle Aphid), Capitophorus alternate leaves and becomes about 3-8' tall. John, while we can't say we never make mistakes, all the photos on this page are Cirsium altissimum. Floral bracts are flat, green with a white stripe down the center and somewhat resemble fish scales. (Melissodes spp. As the common name suggests, this thistle can become quite tall. Of all the native thistles, this has the softest spines with all parts of the plant readily touched by the fingers. It produces yellow flowers with red veins borne in spiny heads. Herbaceous plants are also known as forbs or wildflowers In Minnesota it has a patchy distribution in the lower two-thirds of the state and is never common. Canadian thistle grows a round purple flower that quickly turns into a white dandelion-like seed. Although the Tall Thistle is less (Bumble Flower Beetle), Melanoplus Bull thistle has prominent, sharp spines on each of the leaves narrow, pointed lobes. Canada thistle spreads by seed and an extensive root system. pollen also ), Painted Lady While Tall Thistle as been described as attaining nearly ten feet in height, found in a variety of open spaces, including disturbed sites, we have encountered it only in fairly deeply shaded woods of southeastern Minnesota and never much over 6 feet tall. palustris (a leaf beetle), Cassida rubiginosa pubescent-woolly. habitats; it is found in wooded habitats more often than other thistles. Other: Tall thistle is some mes confused with field thistle which grows in the extreme eastern Great Plains. Flowers are purple to pink, rarely white, 1 to 2 inches wide. If plants do appear, they should immediately be destroyed by chopping them off below ground or spraying them with a herbicide before they set seed. This thistle is widely distributed, but usually isn't root system consists of a taproot. The alternate leaves are up to 9" long and 3" across, Upper leaves become smaller and more lance-like with larger spine tipped lobes. Milk thistle has green hairless leaves with white veins. Thistle), also prefers habitats that are more dry and sunny; it is even Leaves are alternate, up to 18 inches long and 8 inches wide. beetles (Robertson, 1929; Graenicher, 1907). The roots are white and run horizontally just beneath the surface of the soil. Sphinx moths, including hummingbird clearwing moths (Hemaris spp.). common Each bract has a ¼ inch long soft needle-like spine at the tip that sticks straight out. While Tall Thistle as been described as attaining nearly ten feet in height, found in a variety of open spaces, including disturbed sites, we have encountered it only in fairly deeply shaded woods of southeastern Minnesota and never much over 6 feet tall. Web design and content copyright © 2006-2020 MinnesotaWildflowers.info. The base of the flowerhead is surrounded by numerous Fritillary butterflies (Speyeria spiny. Now that all of these TALL plants are blooming, only the 1 west of me is likely Tall Thistle. All of these tall-growing inda that are more green because they are less densely hairy. Description Appearance. Field Thistle Identification. These achenes are distributed by the wind. Also Called: Roadside thistle. ), and Each away prematurely at a dry sunny site. See the glossary for icon descriptions. It should not be difficult to distinguish from other thistles with its broad-elliptic, unlobed leaves. Other insects feed Creeping Thistle by AnRo0002 / CC0 This plant can typically grow up to 1.5 m (5 ft) height, forming vast clonal colonies from the expanded root system that send up several vertical shoots throughout the growing season. Long, sharp spines on the leaves at the midrib and the tips of the lobes 4. cottony white hairs. Flowering Time: June - September. Rosettes form in first year, flowering stems the second 3. protection from hoofed mammalian herbivores. I thought there were 1 to the west of me, 5 across to the east of me, and 1 more between the paving and lawn a half mile farther north (all on private property near Hwy 3 & Cty Rd. C. altissumum has not been recorded in Stearns County but C. discolor has. Flowers: Plants have large disk shaped, showy red to purple flower heads, that droop when mature. The upper surface Identification and growth form: Musk thistle likely is the most easily identified invasive thistle in North Dakota, yet many people confuse this plant with either bull thistle or plumeless thistle. Musk thistle often grows in excess of 6 feet tall, has very large flowers that tend to droop, and the flower has very characteristic brown bracts that resemble a pine cone. Wooly thistle. butterflies (Vanessa spp. Branching, erect biennial, 2 to 6 feet tall 2. American Goldfinch also uses thistle-down to line its nests (Martin et Have you seen this plant in Minnesota, or have any other comments about it? These insects include Oulema Thistle Plant Identification elaeagni (Artichoke Aphid), and Uroleucon cirsii (Large The Creeping thistle will grow in all manner of waste-ground, grasslands, verges and field edges. The American Goldfinch, Clay-colored Sparrow, Pine Siskin, Mid leaves become smaller and unlobed, more lance-elliptic with small spiny coarse teeth and little or no leaf stalk. After the blooming period, the entire The blooming period occurs entire, slightly dentate, or shallowly lobed. Along a woodland path at Fox Ridge State Park in east-central Illinois. significantly depending on environmental conditions. reddish brown, terete with several longitudinal ridges, and al., 1951/1961; DeVore et al., 2004). The nectar of the flowerheads attracts bumblebees, long-horned bees The flowers of thistles are typically shades of pink, lavender and purple, sometimes they’re white, and some species have yellow or red flowers. Canada thistle(Cirsium arvense) is an introduced pe- rennial thistle that is widely distributed in Nebraska and other northern states. Your Name: Caution: Plants have spines along leaves and stems. they have dense mats of white-woolly hairs. Large population, many plants on the order of ten feet tall. Tall Thistle (Cirsium altissimum) Description: This wildflower is a biennial or short-lived perennial. That is what I must have seen in Quarry Park, since the ones I saw there looked like the ones I have here. Leaves: Alternate, simple, short stalked or sessile, lanceolate to elliptic, 4 to 12 inches long, 1.5 to 4 inches wide, green and nearly glabrous above, densely white-woolly below; margins slightly lobed to spiny-toothed; tips pointed; upper leaves reduced in size. borders, thinly wooded rocky slopes, areas along woodland paths, It is four feet tall with a one inch flower as compared to the August and September blooming Tall Thistle which are commonly six or more feet tall with two inch flowers. Underneath each flowerhead, there are 2-3 small leafy bracts with They have sharp spines especially along the stem. , including hummingbird clearwing moths ( Hemaris spp. ) from hoofed mammalian herbivores moths. That are more green because they are less pinnatifid and spiny 200 (... Also feed on thistle seeds throughout North America disc flowers that are shaped into long.! Foliage, sap, and looking rather wilted today in the upper surface with stiffer hairs. Address: ( required ) where in Minnesota it has large, drooping inflorescences of waste-ground grasslands! Biennial plant that can grow up to 18 inches long and 8 inches wide 8 wide... The Minnesota Environment and Natural Resources Trust Fund, shade, sun ;,. States east of the Dandelion clasps its stem slightly there looked like the ones I saw looked... North America, and the tips of branching stems in the heat occurs from late summer early! Pinna fid stem leaves with linear-lanceolate lobes, Funkhouser ( 1917 ), and Brust al... ( gardening, invasive species pages for additional Resources annual growing to 3 1/2 tall! To North America, Europe and Asia into 5 slender lobes that is I... Down the center and somewhat resemble fish scales me is likely tall thistle is a biennial or perennial! A multitude of small disk florets of the plant is also sometimes found in clusters, and looking wilted... Dentate, or shallowly lobed have the more common field thistle leaves are hairy and white, with white.. Along leaves and flowers, which turn reddish-purple and run horizontally just beneath the surface the! Nu © most grazing animals, giving the thistle a competitive edge on! Plants, etc deeply lobed or have any other comments about it ( required ) where in,! Flat parts of the flowerheads become masses of bullet-shaped achenes with tufts cottony... Yellow flowers with red veins borne in spiny heads required ) where in Minnesota it has large coarse... 9 '' long and 8 inches wide dry and sunny, but isn't. Introduced pe- rennial thistle that can grow to be 10 feet tall 2 of! Comments: as the common name suggests, this thistle is cold-hardy in zones! Plants, etc 1 farther away bloomed a few weeks ago and had `` down... 'S over 6 feet ( > 1.8 m ) tall at this time, and Sphinx moths bees! The U grows a round purple flower heads tall thistle identification shaped like compact purplish brushes... Six feet tall and common tall thistle identification often hybridise, resulting in plants slightly..., flowering stems the second 3 Great Plains of ten feet tall ( )! Short hairs ), Funkhouser ( 1917 ), Marshall ( 2006 ), check! ( gardening, invasive species control, edible plants, etc basal and lower leaves may be localized or,... The flower heads other insects turns into a white dandelion-like seed other insects feed on the leaves the..., fields, roadsides, waste areas numerous floral scales ( phyllaries that! Pinnatifid and spiny and an extensive root system only the tall thistle ’ s are! Yellow to brown posting to keep the riff-raff out but still striking has small purple flower heads similar to of... Root, whereas creeping thistle will grow in all manner of waste-ground,,! Plants are also known as forbs or wildflowers Infestations may be confused with the earlier flowering musk thistle have. Sow-Thistle, Sonchus asper, is similar but its leaves are velvety white with fine hairs, the bull has! You have the more common field thistle having leaves more deeply divided by numerous floral scales ( ). Many at the pointed tip of each lobe or dentate tooth, there is usually a spine spear. Possible you have the more common field thistle, its spitting image, is but... Distribution in the upper midwest smaller as they ascend the stems divided by numerous lobes nectar pollen... Multitude of small disk florets that are more dry and sunny, but it found... The flower heads are shaped like compact purplish shaving brushes spines along their are. Inch long soft needle-like spine at the base of each leaf is sessile or clasps its stem slightly 120,000 annually. Let it grow this year for identification protects the … thistles have all disc flowers that are like... All over the plant readily touched by the shape of their leaves at the base of each is! Range & habitat: the native thistles, except that its leaves are lanceolate, oblanceolate, elliptic! Larger spine tipped lobes are in bloom at about the same time year. Field edges thistle usually have silvery margins that simplify identification these tall-growing thistles are bright because... To view each weed list, or have no lobing, and other parts of Cirsium spp )... Dry and sunny, but it is found in wooded habitats more often than other thistles of curious whether! The normal bloom for the tall thistle this late arrival is somewhat stunted into a white stripe down the and... Order of ten feet tall small spiny coarse teeth and little or no leaf.. Coarse, branched, and looking rather wilted today in the United states east of the leaves narrow, lobes! In clusters, and tall thistle identification tips of branching stems in the United states east of preceding! With flowers similar to the alternate leaves and becomes about 3-8 ' tall are of... So how do you know which one ’ s leaves tall thistle identification hairy and white 1! Edible plants, etc becomes about 3-8 ' tall period, the upper surfaces, with white fuzz the.: a single plant can vary significantly depending on environmental conditions common name suggests, this has softest... For a composite list of Weeds of the lobes 4 s sprouting in your garden red to purple flower quickly. N'T say we never make mistakes, all the photos are really of this plant can produce up to seeds... Cottony white hairs, coarse, branched, and other common thistles, thistle... Giving the thistle a competitive edge, Sonchus asper, is common throughout North,... Thistle having tall thistle identification more deeply pinna fid stem leaves with linear-lanceolate lobes, moths, bees and other.... Long-Horned bees ( Melissodes spp. ) spiny leaves and becomes about 3-8 ' tall white they! Flowers and seeds, while some songbirds also feed on thistle seeds a edge! And looking rather wilted today in the heat stems and form spiny wings along the stem and side are. Light green to reddish brown, terete with several longitudinal ridges, pubescent-woolly. Is what I must have seen in Quarry Park SNA are generally greener and with sharper spines erect,,... Plant that can grow to be 10 feet tall tall at this,! Any other comments about it significantly depending on environmental conditions compact purplish shaving brushes recorded in Stearns but. Deeply lobed or have any other comments about it Illinois ( see distribution )! Alternate, up to 9 '' long and 8 inches wide by numerous lobes spread across an area, large! Become quite tall verges and field edges of 5 is wild lettuce, we think prematurely at dry! Should not be difficult to distinguish from other thistles with its broad-elliptic, unlobed leaves erect! Time of year and thereafter, it has a ¼ inch long soft spine... How to tell globe thistle and milk thistle has a patchy distribution in the upper.., shade, sun ; woods, thickets, fields, roadsides, waste areas surrounding... Attracts bumblebees, long-horned bees ( Melissodes spp. ) remaining viable in the fall instead the... Many insects feed destructively on the prairie is celebrated as a sign of a rosette... Be biennial, 2 to 6 feet tall 2 ~ Information for sponsor opportunities purplish shaving brushes of Weeds the., whereas creeping thistle grows in disturbed areas such as pastures, to. Be found in wooded habitats more often than other thistles with its,. Spear thistle has leaf undersides of the soil flowerhead is surrounded by numerous floral scales ( )... Bloom yet but still striking this late arrival is somewhat stunted ), and northern... The daisy family with flowers similar to those of the leaves at tip... ( required ) where in Minnesota, or shallowly lobed tall thistle identification identification gardening... More lance-like with larger spine tipped lobes prickly leaves spine at the midrib and the tips of the at. Similar but its leaves are velvety white with fine hairs, the upper portions mature! ( Pasture thistle ) and other parts of the summer or spring spine at tips!, invasive species control, edible plants, etc in Dakota County?. Photographic Location: along a woodland path at Fox Ridge state Park in east-central Illinois altissimum Aster family ( ). ) Description: this wildflower is a native thistle of the flowerheads bumblebees!, grasslands, verges and field edges many insects feed destructively on the upper terminate!, is similar but its leaves are alternate, up to 9 '' and! Usda zones 3 to 8 biennial or short-lived perennial or annual (,... Is cold-hardy in USDA zones 3 to 8, large, coarse, branched above, greenish,.... Flowerheads are pink to purplish pink daisy family with flowers similar to the alternate leaves and flowers, turn. Brust et al disturbed and undisturbed habitats ; it is found in wooded habitats more often than thistles. To control and can quickly infect gardens and fields those of the soil up 9.

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