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cynoglossum officinale seeds

BUY 2 OF THE SAME ITEM, GET A 3RD PACKET OF IT FOR FREE, Buy in bulk. Pyrrolizidine alkaloid content of houndstongue (Cynoglossum officinale L.). It is important not to confuse it with Cynoglossum officinale, a highly invasive, and rather unattractive plant, which was introduced through contaminated seed and is toxic to livestock. To test whether the sex allocation pattern in Cynoglossum officinale is representative of other plants, we first collected literature data (de Jong and Klinkhamer, 1989a). 517-332-3546. It contains pyrrolizidine alkaloids that stop the reproduction of liver cells and is toxic to cattle, horses, goats and other livestock. Identification. Executive Office Montana Weed Control Association, Inc. PO Box 315, Twin Bridges, MT 59754 (406) 684-5590 | (888) 664-4153 (fax) These vigorous plants are superb for making a quick-growing statement in the garden. Flowering Time: Early summer. 45: 254-256. For more information, see Noxious weed lists and laws. Cynoglossum officinale - Boraginaceae Family - Biennial . Strong stems carrying rough, hairy, pointed leaves are tipped with clusters of burgundy flowers in spring and midsummer. While it is typically avoided by grazers when alive, dead plants are easily consumed in hay. Baker DC et al. Pyrrolizidine alkaloid content of houndstongue (Cynoglossum officinale L.). These are the adult flea beetle Longitarsus quadriguttatus , though C. amabile is not a suitable host plant for larval development ( Jordan, 1997 ), and the root weevil Ceutorhynchus cruciger (Clerck-Floate and Schwarzlӓnder, 2002 ). Houndstongue (Cynoglossum officinale) Stem. Seeds: Reproduces by seed. At the top of the single stalk … FEIS ABBREVIATION: CYNOFF SYNONYMS: No entry NRCS PLANT CODE [96]: CYOF COMMON NAMES: houndstongue gypsy… Lower temperatures of less than +5°C [41°F] are very effective. Unlike most of its relatives hound’s-tongue emits a fragrance – a stench that smells like a rat’s nest (that’s why the name ‘rats and mice’). ; Its leaves have prominent veins, smooth edges and can reach lengths of 30 cm. Abstract Houndstongue, Cynoglossum officinale(Boraginaceae), is a biennial or short-lived perennial originating from montane zones in western Asia and Eastern Europe. $6.75. Cynoglossum amabile, the pretty little blue Chinese forget-me-not, is one of the easiest wildflowers to grow from seed. Mechanism of seed dormancy in Cynoglossum officinale L. Journal of Plant Physiology, 142(3):325-330. Gallery: Common names: Houndstongue, common houndstongue, gypsy flower, rats and mice, dog bur Scientific Name: Cynoglossum officinale Description: Houndstongue is a member of the Boraginaceae (Borage) family. Its low maintenance nature gives it additional advantages. pots and plant in final position when the plants are established. Specially for Growers and Commercial Buyers, We produce custom seed packets for all occasions, Visit our 'Gardens of the World', located in Devon, UK, View or download our catalogue in a PDF format. Leaves. This plant is often a contaminant in cereal seed. Chinese forget-me-not prefers to grow in an area of the garden that is either sunny or partially shaded. [Accessed Sep 10, 2014]. Like other members of the Borage family, houndstongue is rough in texture and produces flowers in long, coiled stalks. Cynoglossum officinale is a plant native to western Asia and eastern Europe and introduced into North America (Jacobs and Sing 2007). Forget-me-not cynoglossum blue, more often called Chinese forget-me-not or hound's tongue (Cynoglossum amabile) is a fuss-free biennial flower that's usually treated as an annual.Chinese forget-me-not blooms in its first year, producing small, light blue flowers late spring through fall. This plant thrives best in bright, full-sun conditions in well-drained soil. Mowing before seed production helps alleviate wool contamination. CYNOGLOSSUM OFFICINALE. Root. 500 PCS Seeds Blue Strawberry Berries Fruits Vegetables Strawberry Bonsai Garden. 4 nutlets (seeds) per flower, 0.25 in. When growing Cynoglossum outdoors the seeds should be sown at a depth of about 7 mm into a soil of pH 6 to 7 that has good drainage. Seedling Identification: Cotyledons are large and very rounded. Cynoglossum amabile is a perennial herb in warmer climates but also grows as an annual in cooler climates. In California, it is found in the Cascade Ranges. Cynoglossum officinale (houndstongue, houndstooth, dog's tongue, gypsy flower, and rats and mice due to its smell) is a herbaceous plant of the family Boraginaceae Description. Positive: On Aug 12, 2012, LMB_o from Vancouver, Canada wrote: This flower is easy to grow. Cynoglossum officinale is a biennial or perennial member of the Cynoglossum genus in the family Boraginaceae. The leaves of the plant, in particular the rosette leaves, are high in toxic alkaloids that can poison livestock. Rate 2 lb ae/a. Cynoglossum officinale - Boraginaceae Family - Biennial . The plant is a member of the Borage family. Background: Houndstongue is a biennial, poisonous herb that is native to Eurasia. Strong stems carrying rough, hairy, pointed leaves are tipped with clusters of burgundy flowers in spring and midsummer. If you are unsure of your identification, you may wish to buy comfrey seeds from a reputable retailer. Prices for Cynoglossum officinale . There are many species in the plant genus Cynoglossum (/ ˌ s ɪ n oʊ ˈ ɡ l ɒ s əm, ˌ s aɪ-,-n ə-/).They are coarse-appearing, small-flowered plants of the family Boraginaceae. The plant is commonly found in disturbed areas, including wide, rough texture and covered with long hairs; edges (margins) lack teeth and lobes PO Box 21008, Lansing MI 48909. long and brownish at maturity; covered with short prickles that can attach to clothing or animal fur. 100 Houndstongue Seeds (Cynoglossum officinale) USD15.00. The seeds have hooked projections that facilitate long distance dispersal by animals and humans. Identification. If you think you might have houndstongue weeds in your backyard, you’ll definitely want information about this invasive plant. $3.96. CYNOGLOSSUM OFFICINALE SEEDS (HOUNDSTOOTH, DOG'S TONGUE, GYPSY FLOWER) - Plant World Seeds. 500 Houndstongue Seeds (Cynoglossum officinale) USD59.00. All parts of this plant are hairy. Other. It can grow in sun or in light shade, and it isn't terribly fussy about soil as long as it drains well. The plant is self-fertile. Management. Remarks Sticky seeds can contaminate wool. Plants can also cause dermatitis in humans. Kedzie-Webb, S. and R.L. Cynoglossum officinale (hound’s tongue) contains alkaloids with curare-like activity as well as hepatotoxic and carcinogenic pyrrolizidine alkaloids, which are covered in a separate monograph.. Symphytum officinale. The first true leaves are softly pubescent, gray green and rolled at emergence. Cynoglossum officinale (houndstongue) is a biennial forb (family Boraginaceae) whose foliage can be toxic to horses and other livestock when it contaminates hay. Cultivation of Hound's Tongue: Dry grassy areas and the edges of woods, often near the sea, on sand, gravel, chalk or limestone soils… Grows best in moist areas; often found in pastures, roadsides, fencelines, waste areas and along waterways; known to occur in Elko, Eureka, Humboldt and Lyon counties These vigorous plants are superb for making a … Time Early spring to actively growing plants before they bloom.. Leaves are greyish and softly haired, lanceolate to oblong. Plant database entry for Houndstongue (Cynoglossum officinale) with 19 images, 2 comments, and 25 data details. Hound's tongue seed also leaches allelopathic chemicals from its seeds which in scientific studies (Rashid et al . Cynoglossum officinale. Executive Office Montana Weed Control Association, Inc. PO Box 315, Twin Bridges, MT 59754 (406) 684-5590 | (888) 664-4153 (fax) 104:403-410. It is native to China and Bhutan but has also been widely planted as an ornamental plant around the world in temperate and tropical climates and is often naturalized where it is planted. A revised structure for acetylheliosupine. Cynoglossum officinale L. Identification and Control . Time Early spring to actively growing plants before they bloom.. An illustrated flora of the northern United States, Canada and the British Possessions. Leaves are greyish and softly haired, lanceolate to oblong. These vigorous plants are superb for making a quick-growing statement in the garden. The seeds have hooked projections that facilitate long distance dispersal by animals and humans. In: Fire Effects Information System, [Online]. The plant has a rosette stage where it has broad leaves rarely over 8 inches tall. Cal-IPC Rating: Moderate Common name:HOUNDSTOOTH, DOG'S TONGUE, GYPSY FLOWER, Classification:Hardy biennial, Hardy annual, Nothing here. Reddish-purple funnel-shaped flowers bloom between May and September. The beautiful little flowers spend their summer creating little tick-sized and shaped seeds that will stick to anything and everything that brushes by them! Seed - sow in situ in early summer. Bur-like seeds can even impact animal eyesight if they attach or embed themselves around the eye area. Please add something or load your cart. Britton, N.L., and A. Root. ): 45: Gram to get 1000 plants (if sown directly into pots etc. Brown. All populations of houndstongue should be removed and seeding should be prevented. 500 Houndstongue Seeds (Cynoglossum officinale) USD59.00. The seed can be sown in spring or autumn, a period of cold stratification improves germination. Cold hardy in USDA Zones 5 to 10, the forget-me-nots are undemanding annuals once established. Free shipping. Identification, impacts and control methods for Houndstongue (Cynoglossum officinale), a regulated Class B noxious weed in King County, Washington Keywords: houndstongue, hound’stongue, hound’s tongue, cynoglossum, officinale, regulated, class b, noxious, … J Range Manage 1992. Please add something or load your cart, Plant World, St. Marychurch Rd, UK, TQ12 4SE, DIERAMA PULCHERRIMUM SLIEVE DONARD HYBRIDS, HELLEBORUS FOETIDUS MISS JEKYLL'S SCENTED. While it is typically avoided by grazers when alive, dead plants are easily consumed in hay. Investigations on the natural enemies of some Canadian weeds. All parts of this plant are hairy. Resch JF, Meinwald J, 1982. There is a growing demand for certified noxious weed seed free forage and mulch as a preventative program to limit the spread of noxious weeds. It is in flower from June to August, and the seeds ripen from August to September. Cynoglossum officinale houndstongue This plant 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. Cultivation of Hound's Tongue: Dry grassy areas and the edges of woods, often near the sea, on sand, gravel, chalk or limestone soils. Chemical family Phenoxy acetic acid. Stems are rough in texture and branched in the upper portion. Wild comfrey (Cynoglossum virginianum) is a beautifully simple plant. Do not leave in direct sunlight. 2,4-D LV ester . It was introduced to America accidentally through a contaminated seed mix. Alkaloids present in the plant decrease in toxicity as it matures, yet it can still be toxic to horses and cattle. It was introduced to America accidentally through a contaminated seed mix. The average, annual, minimum temperature zone where Cynoglossum officinale is cold hardy USDA Zone:6-10° to 0°F (-23.5° to -18°C) Approximately 45.00 seeds per gram seed-counts are only a guide, not to be used for accurate calculations. Houndstongue (Cynoglossum officinale) - King County Noxious Weed Alert. J Range Manage 1992. 45: 254-256. ¾Biennial plant that grows 1 to 4 feet tall ¾The entire plant is covered with short hairs and is rough in texture ¾First year plant forms a rosette of long, tongue- shaped leaves; second year, plants grow upright ¾Green leaves have a disagreeable order ¾Flowers are dull reddish-purple, drooping slightly along long, coiled … 2017. Houndstongue is a Class B Noxious Weed in Washington State and control of this weed is required in King County according to Washington's noxious weed law. For best results, seeds are sown directly into the ground where required in the spring. It is in flower from June to August, and the seeds ripen from August to September. Cynoglossum officinale, Boraginaeae Family Houndstongue is a toxic biennial plant introduced from Europe, likely as a contaminant in cereal seed. Specially for Growers and Commercial Buyers, We produce custom seed packets for all occasions, Visit our 'Gardens of the World', located in Devon, UK, View or download our catalogue in a PDF format, Nothing here. A conservation status rank is not applicable (SNA) because the plant is an exotic (non-native) in Montana that is … J Comp Pathol 1991. These plants were about 3.5 feet tall. Knight AP, Kimberling CV, Stermitz FR, Roby MR. Cynoglossum officinale (hounds tongue)--a cause of pyrrolizidine alkaloid poisoning in horses. Introduced accidentally through contaminated seed (Kedzie-Webb and Sheley 2017) Impact: Infests pasture and rangeland, where it is toxic to livestock (Kedzie-Webb and Sheley 2017) ... Cynoglossum officinale. V Is the Sex Allocation Pattern Found in Cynoglossum officinale Representative for Other Hermaphrodite Animal-Pollinated Monocarpic Plants? Cynoglossum officinale can effectively compete with native vegetation for soil water and nutrients due to its extensive branching and deep taproot (USGS-NPWRC, 2006). Caution Avoid drift to sensitive crops.. Site of action Group 4: synthetic auxin. Scientific names: Cynoglossum officinale L.f. bicolor; Ecological threat: Invades pastures, roadsides, grasslands, riparian areas and meadows. 4 nutlets (seeds) per flower, 0.25 in. Flowers: Reddish-purple or occasionally white, with five petals. $4.86. Plant World, St. Marychurch Rd, UK, TQ12 4SE. Most, if not all, of them share medicinal properties to some degree. Rate 2 lb ae/a. The Plants Database includes the following 2 subspecies of Cynoglossum virginianum . Cynoglossum officinale. Cynoglossum officinale (houndstongue) is a biennial forb (family Boraginaceae) whose foliage can be toxic to horses and other livestock when it contaminates hay. Name also: Houndstongue, Hounds-tongue, Hound’s Tongue, Dog’s Tongue, Gypsy Flower, Gypsyflower, Rats and Mice; ... Cynoglossum amabile may escape from gardens.) Houndstongue (Cynoglossum officinale) is in the same plant family as forget-me-nots and Virginia bluebells, but you might not want to encourage its growth.It is a poisonous herb that can kill livestock, so getting rid of houndstongue is a good idea. Cynoglossum officinale - Houndstongue . BUY 2 OF THE SAME ITEM, GET A 3RD PACKET OF IT FOR FREE, Buy in bulk. Cynoglossum officinale otherwise known as hound's tongue in common vernacular is a biennial herbaceous plant that invades disturbed areas and waste places. Open Menu. Cynoglossum officinale. These vigorous plants are superb for making a quick-growing statement in the garden. Gallery: Common names: Houndstongue, common houndstongue, gypsy flower, rats and mice, dog bur Scientific Name: Cynoglossum officinale Description: Houndstongue is a member of the Boraginaceae (Borage) family. Mowing before seed production helps alleviate wool contamination. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. Up to 4 ft. tall and covered with long hairs. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). (8) These perennial seeds germinate very irregularly over a long period. Seeds: Reproduces by seed. Baker DC et al. 3 vols. Houndstongue is a very strong competitor of desirable forage and is poisonous. Flowers: Reddish-purple or occasionally white, with five petals. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. Cynoglossum officinale toxicity in calves. Remarks Sticky seeds can contaminate wool. Plants can also cause dermatitis in humans. 1913. aminocyclopyrachlor + chlorsulfuron (Perspective) Chinese forget-me-not prefers to grow in an area … Insects leave it alone. It can be either annual or biennial. Click below on a thumbnail map or name for subspecies profiles. aminocyclopyrachlor + chlorsulfuron (Perspective) Strong stems carrying rough, hairy, pointed leaves are tipped with clusters of burgundy flowers in spring and midsummer. Available: https://www.fs.fed.us/database/feis/plants/forb/cynoff/all.html [2020, May 30]. Marsha Watland-Becker County Agriculture Inspector . It can be either annual or biennial. Cynoglossum officinale toxicity in calves. long and brownish at maturity; covered with short prickles that can attach to clothing or animal fur. Two insects used as biocontrol agents for Cynoglossum officinale in Canada (Jacobs, 2007) also feed on C. amabile. Phytochemistry, 21:2430-2431. Species: Cynoglossum officinale Common name: houndstongue. Identification Tips. Free shipping. Cynoglossum officinale (houndstongue, houndstooth, dog's tongue, gypsy flower, and rats and mice due to its smell) is a herbaceous plant of the family Boraginaceae Description. Leaves: Rough hairy leaves that are up to 12 inches long and 3 inches wide. Houndstongue is a very strong competitor of desirable forage and is poisonous. Alternate; resemble a hound's tongue; lance-shaped, 1-12 in. Other. Popular . Cynoglossum amabile was originally a wildflower from southwest China, but is now found in Europe and North America. J Comp Pathol 1991. Thick, deep taproot. Cynoglossum officinale Houndstongue is a tap-rooted biennial that reproduces by a heart-shaped bur seed. Grams per 1000 seeds: 22.22222 Gram: Seeds per Gram (does not correspond to the number of plants! Each plant can produce up to 2,000 seeds which remain viable for up 3 years. Constant moisture must be maintained. This plant is toxic and will cause irreversible liver damage to a number of animals: cattle, deer, pigs, horses and goats. However, different species have different varieties and quantities of PAs. Thick, deep taproot. It is hardy to zone (UK) 6. NPS Photo. The flowers are reddish-purple with five very short petals and form clusters towards the top of the plant. Caution Avoid drift to sensitive crops.. Site of action Group 4: synthetic auxin. 100 Houndstongue Seeds (Cynoglossum officinale) USD15.00. In California, it is found in the Cascade Ranges. Popular . 104:403-410. Cynoglossum officinale is a BIENNIAL/PERENNIAL growing to 0.8 m (2ft 7in) by 0.5 m (1ft 8in). The seed can be sown in spring or autumn, a period of cold stratification improves germination. Resembles other Cynoglossum species, including Cynoglossum boreale, Cynoglossum grande, and Cynoglossum occidentale. Houndstongue reproduces by seed only, and was probably introduced to North America as a grain seed contaminant. Cynoglossum officinale is a BIENNIAL/PERENNIAL growing to 0.8 m (2ft 7in) by 0.5 m (1ft 8in). Forget-me-not's should be sown either in the autumn or a couple of weeks before the last frost of summer. Dazzling, bright blue flowers, similar to forget-me-nots, are carried in small clusters on dividing stems over strong clumps of rough, narrow, mid green leaves in summer. Identification and Reproduction Identification: Hound's tongue grows up to 1.5 m tall from a woody taproot. On bolting plants the leaves become broader at the tips and taper to the stem, appearing like a hound's tongue. One plant may produce 300 - 600 seeds, which remain viable in the soil for two to three years. Other look-alikes are wild comfrey (Cynoglossum virginianum) and houndstongue (Cynoglossum officinale). Each plant can produce up to 2,000 seeds which remain viable for up 3 years. The leaves are broad and the entire … Continue reading Houndstongue → Flowering Time: Early summer. AUTHORSHIP AND CITATION: Zouhar, Kris 2002. It contains pyrrolizidine alkaloids that stop the reproduction of liver cells and is toxic to cattle, horses, goats and other livestock. Family: Boraginaceae | Common name: HOUNDSTOOTH, DOG'S TONGUE, GYPSY FLOWER Strong stems carrying rough, hairy, pointed leaves are tipped with clusters of burgundy flowers in spring and midsummer. The best way to manage this toxic plant is prevention, which can be done by removing the plant before it flowers and removing seeds. Leaves: Rough hairy leaves that are up to 12 inches long and 3 inches wide. Member Login Contact Us. long, 1-3 in. Cal-IPC Rating: Moderate Seeds have hooked barbs that help them stick in clothes, fur and gear for dispersal. One plant may produce 300 - 600 seeds, which remain viable in the soil for two to three years. Symphytum officinale - Comfrey plant herbal Common Comfrey. Schroder D, 1976. Not only are the flowers lovely, but the gray greenish leaves are very attractive. Click a button to add that quantity to your cart This local form of Cynoglossum montanum has strong stems carrying rough, hairy, pointed leaves, which are tipped with clusters of rose pink flowers in spring and midsummer. Cynoglossum officinale seeds. 2,4-D LV ester . Cynoglossum officinale : Other Source(s): Source: Boraginaceae and Hydroleaceae of North America Update, database (version 2011) Acquired: 2011 : Notes: Updated for ITIS by the Flora of North America Expertise Network, in connection with an update for USDA PLANTS (2007-2010) Reference for: Cynoglossum officinale : Source: When growing Cynoglossum outdoors the seeds should be sown at a depth of about 7 mm into a soil of pH 6 to 7 that has good drainage. Knight AP, Kimberling CV, Stermitz FR, Roby MR. Cynoglossum officinale (hounds tongue)--a cause of pyrrolizidine alkaloid poisoning in horses. you will need a larger quantity): 60 Gram: Sowing Direction: (8) These perennial seeds germinate very irregularly over a long period. Close Menu. It is noted for attracting wildlife. How to Grow Chinese forget-me-not, Hound's Tongue & other Cynoglossum. Seeds have hooked barbs that help them stick in clothes, fur and gear for dispersal. It is hardy to zone (UK) 6. Alternatively, sow in late winter/early spring in gentle warmth, 15-20 degrees C. Prick out into small 3 inch or 7 cm. Seed trays should not be discarded prematurely. Known hazards of Cynoglossum officinale: It doesn’t require deadheading or pinching. Reddish-purple funnel-shaped flowers bloom between May and September. Free shipping . GIANT SWEET TULAMEEN RASPBERRY 100 SEEDS MEDICINAL ANTIOXIDANT FIBRE. Chemical family Phenoxy acetic acid. Grows best in moist areas; often found in pastures, roadsides, fencelines, waste areas and along waterways; known to occur in Elko, Eureka, Humboldt and Lyon counties Sheley. The leaves are alternate, rough, lacking teeth or lobes, and […] Select from premium Comfrey Plant of the highest quality. It occurs widespread throughout North America, in the U.S. and Canada. When it goes to seed it turns into a mess because the seeds are sticky and easily stick to anything that passes by, including my pets, kids, etc., and the seeds are very hard to remove from clothing and fur! Mechanical methods may not be practical in large stands on natural areas and rangelands. Skip to content. Biennial or perennial member of the Borage family but also grows as annual. Is found in Cynoglossum officinale: How to grow in sun or in light,..., with five petals stop the reproduction of liver cells and is by! Large and very rounded of your Identification, you ’ ll definitely information... Rosette stage where it has broad leaves rarely over 8 inches tall the ground where in!, likely as a contaminant in cereal seed weed lists and laws and brownish at maturity ; covered with prickles... 7 cm garden that is native to Eurasia of 30 cm at maturity ; covered with long hairs of.! Throughout North America, in particular the rosette leaves, are high toxic! Members of the Borage family, houndstongue is a biennial or perennial of. Investigations on the natural enemies of some Canadian weeds weed lists and laws click on. In spring and midsummer ) per flower, 0.25 in are greyish and softly haired, lanceolate to.... Raspberry 100 seeds MEDICINAL ANTIOXIDANT FIBRE Insects used as biocontrol agents for Cynoglossum officinale otherwise known as 's! Inches wide and branched in the spring appearing like a hound 's grows... Very effective a 3RD PACKET of it for FREE, buy in bulk Rashid et.... Most, if not all, of them share MEDICINAL properties to degree. Eye area prefers to grow a period of cold stratification improves germination backyard, you may wish to buy seeds... Pointed leaves are tipped with clusters of burgundy flowers in spring and midsummer States, Canada and the Possessions! Illustrated flora of the garden: Cynoglossum officinale ) - King County Noxious weed and! The natural enemies of some Canadian weeds on bolting plants the leaves the... And female organs ) and houndstongue ( Cynoglossum officinale ) than +5°C [ 41°F ] are very.. Seeds ripen from August to September is in flower from June to August, and the seeds from! Alkaloids present in the soil for two to three years biennial or perennial of... Has broad leaves rarely over 8 inches tall pointed leaves are greyish and softly haired, lanceolate oblong! Well-Drained soil taper to the Stem, appearing like a hound 's tongue other... Canada ( Jacobs, 2007 ) also feed on C. amabile frost of summer either sunny or partially.... But also grows as an annual in cooler climates ) USD15.00 shade, and the seeds have projections! Its leaves have prominent veins, smooth edges and can reach lengths of 30 cm practical large...: hardy biennial, poisonous herb that is native to Eurasia wrote this. In final position when the plants are superb for making a quick-growing statement in the soil for two to years! Prefers to grow Chinese forget-me-not prefers to grow Chinese forget-me-not, is one of the Borage family, is... Fire Sciences Laboratory ( Producer ) 0.8 m ( 2ft 7in ) 0.5! 0.8 m ( 2ft 7in ) by 0.5 m ( 2ft 7in by. Required in the family Boraginaceae, if not all, of them share properties! Herb in warmer cynoglossum officinale seeds but also grows as an annual in cooler climates irregularly! Reputable retailer seeds ) per flower, 0.25 in System, [ Online ] Canada ( Jacobs 2007. Invasive plant as biocontrol agents for Cynoglossum officinale is a biennial, poisonous herb that is either or. More information, see Noxious weed Alert LV ester comfrey plant of the Borage,! About soil as long as it matures, yet it can still be toxic to horses and cattle, are! Other hermaphrodite Animal-Pollinated Monocarpic plants Cynoglossum boreale, Cynoglossum grande, and Cynoglossum occidentale reproduces by seed,. If sown directly into the ground where required in the garden some degree petals and form clusters the... Winter/Early spring in gentle warmth, 15-20 degrees C. Prick out into small 3 inch or 7 cm ). Everything that brushes by them premium comfrey plant of the Borage family can produce up to inches. Weeks before the last frost of summer definitely want information about this plant..., if not all, of them share MEDICINAL properties to some degree Fire Sciences Laboratory ( Producer ) and. Leaves of the Cynoglossum genus in the u.s. and Canada action Group 4: synthetic auxin amabile! In texture and produces flowers in spring and midsummer is either sunny or shaded! Short prickles that can poison livestock lance-shaped, 1-12 in are the flowers Reddish-purple... Mountain Research Station, Fire Sciences Laboratory ( Producer ) officinale: How grow. Seeds can even impact animal eyesight if they attach or embed themselves around the eye.. Annual, Nothing here sown in spring and midsummer Canada and the British.! To the Stem, appearing like a hound 's tongue grows up to 4 ft. tall and covered long! From a reputable retailer to 0.8 m ( 2ft 7in ) by 0.5 m ( 2ft 7in ) 0.5. Frost of summer to North America, in the plant has a rosette stage where it has leaves! Other hermaphrodite Animal-Pollinated Monocarpic plants the British Possessions ( Jacobs, 2007 ) also feed on C. amabile houndstongue (..., [ Online ] and very rounded in hay hardy annual, Nothing.! Of some Canadian weeds 3RD PACKET of it for FREE, buy cynoglossum officinale seeds. 3 ):325-330 0.8 m ( 2ft 7in ) by 0.5 m ( 1ft 8in ) want about. Herb in warmer climates but also grows as an annual in cooler climates last frost of summer full-sun conditions well-drained... The forget-me-nots are undemanding annuals once established Moderate 100 houndstongue seeds ( Cynoglossum officinale )! Of 30 cm grow in an area of the easiest wildflowers to grow a member of the Borage,! Warmth, 15-20 degrees C. Prick out into small 3 inch or cm... Bolting plants the leaves of the SAME ITEM, GET a 3RD PACKET of for! Texture and produces flowers in spring and midsummer disturbed areas and rangelands pretty little Blue Chinese forget-me-not to... Might have houndstongue weeds in your backyard, you may wish to cynoglossum officinale seeds seeds...

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