Exposure: Full sun to partial shade. The plant grows to 0.3–1 m high, with ovate to triangular leaves 2–7 … They are best used as bedding, edging, or container plants. The website also provides access to a database and images of herbarium specimens found at the University of South Florida and other herbaria. Due to the triploid breeding, Blue Horizon has larger blooms than traditional Ageratum, is very vigorous and is easy to produce. You will learn how to grow Ageratum from seeds in detail in the article. Use warm water for irrigation. Syndication International—Photo Trends. Most species are native to Central America and Mexico but four are native to the United States.. Color: Lavender-blue flowers, green foliage Ageratum houstonianum Mill. houstonianum (Mill.) Botanical name: Ageratum houstonianum Use: Balcony, Cut flower, Good for insects and bees Flower colour: blue, pink, violet, white Height in cm: 40-60 Vegetation period: annual Ageratum houstonianum, a native of Mexico, is among the most commonly planted ageratum varieties. Several dwarf varieties are commonly used as edging plants. & J.Presl. Tall growing, with strong, sturdy stems and numerous branches; Common name: Floss flower. Zone: Annual. Ageratum album Berol. Blue billygoat weed (Ageratum houstonianum) is regarded as an environmental weed in Queensland and New South Wales. Culture and use notes: Many cultivars some from cuttings most from seed. Wikispecies has an entry on: Ageratum houstonianum. Ageratum is one of the few annuals with a truly blue flower. The Atlas of Florida Plants provides a source of information for the distribution of plants within the state and taxonomic information. Ageratum houstonianum Name Synonyms Ageratum conyzoides subsp. This tropical species appears to be a valuable agricultural resource. This garden escape frequently invades bushland and other natural environments resulting in substantial changes in native plant communities. Ageratum houstonianum, 'Dwarf Pink Ball' Ageratum houstonianum, 'Dwarf Pink Ball' Perfect for both bedding and borders, this lovely variety has charming feathery flowers in a range of shades from very pale and delicate pink to a proper old-fashioned dark sugared-almond pink, some with darker centres. Ageratum mexicanum Hort. It is used to … There are many types of Ageratum, but Ageratum houstonianum is the most commonly used in both home and display gardens of all kinds. Introduced in many European countries, from France to Russia, Macaronesia., and also North America Ageratum houstonianum. ; This species is accepted, and its native range is Mexico to Central America. Ageratum microcarpum (Benth. They grow to a height of 30 in. Ageratum houstonianum NC State University and N.C. A&T State University work in tandem, along with federal, state and local governments, to form a strategic partnership called N.C. Ageratum (/ ə ˈ dʒ ɛr ə t ə m /) (whiteweed in the USA) is a genus of 40 to 60 tropical and warm temperate flowering annuals and perennials from the family Asteraceae, tribe Eupatorieae. Ageratum is a low growing shrub that blooms all summer. Cultivated as an ornamental. Ageratum conyzoides L., Asteraceae, is an annual herbaceous plant with a long history of traditional medicinal uses in several countries of the world and also has bioactivity with insecticidal and nematocidal acitivity. Ageratum houstonianum, 'Dondo White' ( 5 of 5 based on 1 review) With a long flowering season from early summer to late autumn, this tall-growing Ageratum, with its heads of soft fluffy white blossoms on long stalks makes it a useful cut flower and an attractive plant for the border. Identifying characteristics: Floss like flower heads. Ageratum houstonianum is native to an area that stretches from southern Mexico to Guatemala on the Pacific coast and eastward to Belize on the Caribbean Sea. The flowers on this tender annual come mostly in shades of blue but can be pink, lavender or white. Ageratum houstonianum. It is a Native plant of Mexico. A nonstop bloomer from mid summer to fall (Ageratum means 'long-lived' in Greek), it grows easily in shapely mounds ranging from 6-24 in. 8 1768 . Several dwarf varieties are commonly used as edging plants. Blue billygoat weed (Ageratum houstonianum) is also considered to be among the most invasive species in southern Africa, and is thought to pose a threat to the biodiversity of this region. Common Name: Blue Mink: Habitat: ** Associated Ecological Communities: ** Growth Habit: Herb: Duration: Perennial: Category: Vascular: USDA Symbol: ** Plant Notes: Floss Flower is an introduced annual in the Aster family (Asteraceae). This is a gallery page containing specially selected images. Ageratum houstonianum (flossflower, bluemink, blueweed, pussy foot, Mexican paintbrush) syn. The Ageratum has flowers of different colors and shades. Cooperative Extension, which staffs local offices in all 100 counties and with the Eastern Band of Cherokee Indians. Not to mention, ageratum is one of the truest blue annuals you can find! Ageratum humile Salisb.. Ageratum latifolium Cav.. Ageratum meridanum V.M.Badillo. houstonianum (Mill.) Family: Asteraceae Bercht. mexicanum (Sims) DC. It … Ageratum houstonianum a-jer-AY-tum hoos-tone-ee-AY-num Audio There are many cultivars available of this fast-growing annual. Hemsl. One species – A. houstonianum from Mexico, named for William Houston (1695-1733), a Scottish physician who collected the first plants – is commonly used as a bedding plant. tall (15-60 cm) and mixes extraordinarily well with all other annuals and perennials. 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