Click below on a thumbnail map or name for subspecies profiles. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. However, different species have different varieties and quantities of PAs. BUY 2 OF THE SAME ITEM, GET A 3RD PACKET OF IT FOR FREE, Buy in bulk. 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. Cal-IPC Rating: Moderate If you think you might have houndstongue weeds in your backyard, you’ll definitely want information about this invasive plant. Cynoglossum officinale, Boraginaeae Family Houndstongue is a toxic biennial plant introduced from Europe, likely as a contaminant in cereal seed. This plant is toxic and will cause irreversible liver damage to a number of animals: cattle, deer, pigs, horses and goats. These vigorous plants are superb for making a … 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 It is hardy to zone (UK) 6. Houndstongue (Cynoglossum officinale) - King County Noxious Weed Alert. Cynoglossum officinale is a plant native to western Asia and eastern Europe and introduced into North America (Jacobs and Sing 2007). It is hardy to zone (UK) 6. An illustrated flora of the northern United States, Canada and the British Possessions. It is in flower from June to August, and the seeds ripen from August to September. Seedling Identification: Cotyledons are large and very rounded. Stems are rough in texture and branched in the upper portion. Up to 4 ft. tall and covered with long hairs. At the top of the single stalk … Cynoglossum amabile was originally a wildflower from southwest China, but is now found in Europe and North America. Root. 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. Mowing before seed production helps alleviate wool contamination. It contains pyrrolizidine alkaloids that stop the reproduction of liver cells and is toxic to cattle, horses, goats and other livestock. Remarks Sticky seeds can contaminate wool. Cynoglossum officinale otherwise known as hound's tongue in common vernacular is a biennial herbaceous plant that invades disturbed areas and waste places. The seeds have hooked projections that facilitate long distance dispersal by animals and humans. These vigorous plants are superb for making a quick-growing statement in the garden. Alternate; resemble a hound's tongue; lance-shaped, 1-12 in. Cynoglossum amabile is a perennial herb in warmer climates but also grows as an annual in cooler climates. Popular . Cynoglossum officinale - Boraginaceae Family - Biennial . Britton, N.L., and A. Constant moisture must be maintained. Houndstongue reproduces by seed only, and was probably introduced to North America as a grain seed contaminant. Chemical family Phenoxy acetic acid. Grams per 1000 seeds: 22.22222 Gram: Seeds per Gram (does not correspond to the number of plants! Please add something or load your cart. Rate 2 lb ae/a. For more information, see Noxious weed lists and laws. 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. Time Early spring to actively growing plants before they bloom.. Identification and Reproduction Identification: Hound's tongue grows up to 1.5 m tall from a woody taproot. ; Its leaves have prominent veins, smooth edges and can reach lengths of 30 cm. Wild comfrey (Cynoglossum virginianum) is a beautifully simple plant. Forget-me-not's should be sown either in the autumn or a couple of weeks before the last frost of summer. While it is typically avoided by grazers when alive, dead plants are easily consumed in hay. Identification. (8) These perennial seeds germinate very irregularly over a long period. One plant may produce 300 - 600 seeds, which remain viable in the soil for two to three years. Alternatively, sow in late winter/early spring in gentle warmth, 15-20 degrees C. Prick out into small 3 inch or 7 cm. Other. The leaves of the plant, in particular the rosette leaves, are high in toxic alkaloids that can poison livestock. All parts of this plant are hairy. 500 Houndstongue Seeds (Cynoglossum officinale) USD59.00. 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. Sheley. 45: 254-256. Cynoglossum officinale - Boraginaceae Family - Biennial . CYNOGLOSSUM OFFICINALE. The leaves are alternate, rough, lacking teeth or lobes, and […] 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. Cynoglossum officinale is a BIENNIAL/PERENNIAL growing to 0.8 m (2ft 7in) by 0.5 m (1ft 8in). It is in flower from June to August, and the seeds ripen from August to September. These vigorous plants are superb for making a quick-growing statement in the garden. Identification Tips. $3.96. Free shipping . Leaves: Rough hairy leaves that are up to 12 inches long and 3 inches wide. A revised structure for acetylheliosupine. Houndstongue is a very strong competitor of desirable forage and is poisonous. Plants can also cause dermatitis in humans. Other look-alikes are wild comfrey (Cynoglossum virginianum) and houndstongue (Cynoglossum officinale). Seed trays should not be discarded prematurely. Prices for Cynoglossum officinale . The plant is a member of the Borage family. Cold hardy in USDA Zones 5 to 10, the forget-me-nots are undemanding annuals once established. Plant database entry for Houndstongue (Cynoglossum officinale) with 19 images, 2 comments, and 25 data details. wide, rough texture and covered with long hairs; edges (margins) lack teeth and lobes Terribly fussy about soil as long as it drains well pots etc are established LMB_o from,! 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