Related posts. Tall ageratum are also available in seed catalogues. Ageratum houstonianum, or sometimes called Mexican Paintbrush, is a flower native to Guatemala, Belize, and intermittently throughout Mexico, but has since naturalized to similar tropical regions in surrounding countries. Ageratum (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. The flowers’ genus name comes from the Greek words a, meaning “not,” and geras, meaning “old,” which alludes to the flowers’ long-lasting color. The opposite leaves are cordate or oval, hairy or tomentose. Tagged with. BOTANY . One species that is commonly used as a bedding plant, Ageratum houstonianum, is from Mexico, and is named after William Houston (1695-1733), a Scottish physician who collected the first ageratum plants. Dainty, flossy blooms form mounds of soft color and texture perfect for combining with trailing and spiky, upright annuals. No matter the color, all of these blooms are very popular with pollinators. Hardy Ageratum is also commonly known as Mist Flower or Blue Mist Flower. Ageratum houstonianum and Ageratum conyzoides cause liver lesions and are tumorigenic. An old favorite with its fluffy round clusters, Ageratum houstonianum (Floss Flower) is one of the few annuals to tolerate light shade. The name Ageratum has a Greek origin meaning “that lasts a long time”. Ageratum Care Must-Knows ageratum, ageratum houstonianum, annual flower, asteraceae, bloom, blossom, blue, blueme, composites, leaflets, violet. They give small, dry fruits. This chemical triggers the next molting cycle to prematurely develop adult structures, and can render most insects sterile if ingested in large enough quantities. 1. rhizomatous plant of central and southeastern United States and West Indies having large showy heads of clear blue flowers; sometimes placed in genus Eupatorium 2. any plant of the genus Ageratum having opposite leaves and small heads of blue or white flowers any of several composite plants of the genus Ageratum, esp. Random Hardy Ageratum Factoid: The botanical name for Ageratum has always been Eupatorium, but recently it was reclassified as Eutrochium. These annual or perennial herbs and shrubs in the plant family Compositae (Asteraceae) are all native to Central and South America. It has its origin in Mexico and Peru and is part of the Composita family. Wild species of ageratum can grow to over two feet in height and typically reseed themselves liberally. Ageratum (/əˈdʒɛrətəm/) (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. Any of several other plants having flower clusters similar to those of ageratum. Ageratum houstonianum, commonly called floss flower, is a frost-tender annual of the aster family that provides continuous bloom for beds, gardens or containers from late spring to frost. So pflanzen und pflegen Sie Ageratum houstonianum. It is native to tropical regions of Central and South America. Any of various flowering plants constituting the genus Ageratum (family Asteraceae (Compositae)), native chiefly to tropical America; especially any of the many cultivated varieties of A. houstonianum (formerly A. mexicanum) commonly grown in gardens for their clusters of pink, purple, or blue flowers. , The cultivars 'Blue Danube' and 'Blue Horizon' have gained the Royal Horticultural Society's Award of Garden Merit.. The name ageratum is derived from the Greek “a geras”, meaning non-aging and refers to the long-lasting nature of ageratum flowers. Ageratum definition is - any of a genus (Ageratum) of annual tropical American composite herbs often cultivated for their small showy heads of usually blue or white flowers; also : a related blue-flowered perennial (Eupatorium coelestinum). The narrow lanceolate bracts are pointed, denticulate only at the top and glandular hairy. Ageratum houstonianum, commonly known as flossflower, bluemink, blueweed, pussy foot or Mexican paintbrush, is a cool-season annual plant often grown as bedding in gardens. Ageratum houstonianum has numerous sticky hairs on the bracts surrounding its flower-heads (the involucral bracts are glandular pubescent). They grow well in sun or partial shade, from early summer to first frost. The modern English word daisy comes from an Old English word that’s impossible to spell and next to impossible to pronounce. , Ageratum houstonianum is prone to becoming a rampant environmental weed when grown outside of its natural range. The name ageratum is derived from the Greek “a geras”, meaning non-aging and refers to the long-lasting nature of ageratum flowers. Blue Horizon Ageratum flowers are native to the tropics of Central America and Mexico and thrive in many similar humid gardens in the United States. These annual or perennial herbs and shrubs in the plant family Compositae (Asteraceae) are all native to Central and South America. Genus name comes from the Greek "a" meaning not and " geras" meaning old age because the flowers hold their color for a long time. 2. any of various other composite plants, as the mistflower, having blue or white flowers. Ageratum plants have soft, fuzzy flowers that can be blue, pink, lavendar or white. The ray flowers are threadlike and fluff-haired, leading to the common name. A. houstonianum, having heart-shaped leaves and small, dense, blue, lavender, or white flower heads, often grown in gardens. Ageratum is a genus of about 50 species of annual plants belonging to the Asteraceae family, native to Central America, with a few species found in North America. Ageratum Houstonianum (Ageratum, Floss Flower) Origins. Heat tolerant and attractive to butterflies, Ageratum are perfect for bringing long lasting color and definition to summer containers and garden beds. These plants are low-growing and have attractive flowers in lovely blue, purple, red, pink and white. Wild species of ageratum can grow to over two feet in height and typically reseed themselves liberally. They are quite easy to grow, producing a profusion of fluffy flowers all season long. They form tussocks or small hills. Entomological Meaning of the Daisy Flower. Alcea Hollyhock. Ageratum. The root system is well developed. Any of various tropical American plants of the genus Ageratum in the composite family, especially A. houstonianum, cultivated for their fluffy blue, purple, pink, or white flower heads. The ageratum flower most commonly found in the garden is a hybrid, growing in a petite and compact form. The species is cultivated once a year, having numerous varieties whose crowns may be dark blue, purple, pink and white. 1. any of several composite plants of the genus Ageratum, esp. Ageratum is a popular, low-growing, annual plant of flower gardens. Allium. Most species are native to Central America and Mexico but four are native to the United States. Ageratum symbolizes politeness. Meaning of the Names Ageratum houstonianum is called "flossflower" because of the tiny threads of each of the flowers that grow in clusters on the plant. Varieties offered by nurseries and garden centers however are almost all hybrids that are more compact and better behaved. As for the scientific name of the plant, the first thing you might see when you look at the genus name is "Age." Wild species of ageratum can grow to over two feet in height and typically reseed themselves liberally. Ageratum plants have soft, fuzzy flowers that can be blue, pink, lavendar or white. Lotus flowers are one of the most prominent tokens in Eastern cultures. any plant of the genus Ageratum having opposite leaves and small heads of blue or white flowers tall (15-60 cm) and mixes extraordinarily well with all other annuals and perennials. The plant grows to 0.3–1 m high, with ovate to triangular leaves 2–7 cm long, and blue flowerheads (sometimes white, pink, or purple). Ajuga symbolizes "most lovable". The name of the plant comes from the Latin word “ageratos” which means "ageless", and, in fact, a cut flower of ageratum stays fresh for a long time. When you learn how to plant ageratum and grow it successfully, you will always have a blue flower option for the bed or border. Fu, P.P., Yang, Y.C., Xia, Q., Chou, M.C., Cui, Y.Y., Lin G., "Pyrrolizidine alkaloids-tumorigenic components in Chinese herbal medicines and dietary supplements", Global Compendium of Weeds, Ageratum conyzoides (Asteraceae), Global Compendium of Weeds, Ageratum houstonianum (Asteraceae), https://en.wikipedia.org/w/index.php?title=Ageratum&oldid=995415472, Articles with dead external links from October 2016, Articles with permanently dead external links, Articles containing potentially dated statements from July 2020, All articles containing potentially dated statements, Creative Commons Attribution-ShareAlike License, This page was last edited on 20 December 2020, at 22:34. AGERATUM Mexican Ageratum (Floss flower) (A name first applied to an everlasting, meaning not growing old) Posted by Frederick Leeth / September 9, 2017 / 0 Comments. The flower heads are borne in dense corymbs. Begin to plant ageratum in early March. The flower heads are borne in dense corymbs. With a vigorous, open habit, it’s perfect for adding texture and colour to bedding, borders … Features fluffy flowers (basically asters with ray flowers absent) in flattened to slightly rounded clusters atop compact, mounded plants generally ranging from 4” to 18” tall. Most common ageratums, "Hawaii" for example, are a short 6-8 inches when full grown. Ageratums are grown for their flowers, especially A. houstonianum. There are many types of Ageratum, but Ageratum houstonianum is the most commonly used in both home and display gardens of all kinds. Ajuga. They are about 18 inches in height with blue flowers. Ageratums offer soft, round, fluffy flowers in … 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. What is Ageratum? Ageratum conyzoides (billygoat-weed, chick weed, goatweed, whiteweed, mentrasto) is native to Tropical America, especially Brazil, and is an invasive weed in many other regions. AGERATUM Mexican Ageratum (Floss flower) (A name first applied to an everlasting, meaning not growing old) Posted by Frederick Leeth / September 9, 2017 / 0 Comments. It is a Native plant of Mexico. Ageratum Whiteweed; Flossflower. Today, naturalization has become widespread in the tropics. See more. Its pale blue, white, or pink flowers bloom all summer. , Ageratum houstonianum is toxic to grazing animals, causing liver lesions. Ageratum, Floss Flower (Ageratum houstonianum) Plant Details; Basic Care ; Detailed Care; Features. The blues are most popular and common, but colors also include violet, pink and white. The best performs of Ageratum is in the late spring and early summer and in the early fall. Ageratum definition, any of several composite plants of the genus Ageratum, especially A. houstonianum, having heart-shaped leaves and small, dense, blue, lavender, or white flower heads, often grown in gardens. The bases of the flower-heads are relatively small (3-6 mm across). The height of the bushes varies from 10 to 60 cm. Dependable flowering annual. Uses. Vulgarly known as Agerato or Damasquino. Learn the meanings of each flower type. Ageratum houstonianum or flossflower (Scientific name: Ageratum houstonianum) is native to Latin America, such as Mexico and Peru, is a non-cold-resistant annual grass of the family Asteraceae. • AGERATUM (noun) The noun AGERATUM has 2 senses:. A. houstonianum, having heart-shaped leaves and small, dense, blue, lavender, or white flower heads, often grown in gardens. 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