Ageratum is a low growing shrub that blooms all summer. Ageratum houstonianum flossflower, bluemink, blueweed, pussy foot, mexican paintbrush is a coolseason annual plant often grown as bedding in. All structured data from the file and property namespaces is available under the creative commons cc0 license. Browse pictures and read growth cultivation information about ageratum, floss flower, flossflower ageratum houstonianum blue horizon supplied by member gardeners in the plantfiles database at. Ageratum plants grow from seed or from small seedlings sometimes found in garden centers. Genus ageratum can be annuals, perennials or shrubs, usually bushy in habit, with simple ovate leaves and small fluffy blue, pink or white flowerheads in summer and autumn details blue danube is an annual to 20cm, forming a compact mound of oval leaves, with fluffy heads of. Ageratum houstonianum name synonyms ageratum conyzoides subsp.
It is in leaf from may to october, in flower from july to september. The results can also be downloaded as a csv file unicode utf8 encoding see status, confidence level, source for definitions. This oldfashioned flower is popular again because its so easy to grow. This garden escape frequently invades bushland and other natural environments resulting in substantial changes in native plant communities. Once called floss flower because the flowers have a fluffy look, kind of like lavender cotton candy, ageratum thrives in. The ordinary ageratum is a perennial, herbaceous plant or a dwarf, or shrub. Landscape ageratum series forms a dense, mounded hedge of color, growing taller and more vigorously than any other ageratum. Ageratum plants are covered with clusters of small, fuzzy flowers. Ageratum is one of the few annuals with a truly blue flower. Pdf adulticidal activity of ageratum houstonianum mill. If the inline pdf is not rendering correctly, you can download the pdf file here. Ageratum houstonianum ageratum, bluemink, floss flower, garden. Ageratum houstonianum ageratum, bluemink, floss flower.
Ageratum plant growing guide floss flower and butterfly mist. 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. The cultivated varieties include tetraploids and hybrids. The juice of ageratum houstonianum is used in folk medicine as an external. A very vigorous plant with strong, sturdy stems, many branches and larger flowers than the traditional ageratum. It only happens rarely and it is probably eaten mainly for its. Ageratum houstonianum, commonly called floss flower, is a frosttender annual of the aster family that provides continuous bloom for beds, gardens or containers from late spring to frost. Ageratum, floss flower ageratum houstonianum plant details. Ageratum conyzoides goatweed, tropical whiteweed pfaf. Ageratum is a linnaean name derived from the greek a not, and geras old age, referring to the longlasting nature of the flowers. Annual flower also known as flossflower ageratum houstonianum asteraceae family synonym.
Ageratum conyzoides is a annual growing to 1 m 3ft 3in. A nonstop bloomer from mid summer to fall ageratum means longlived in greek, it grows easily in shapely mounds ranging from 624 in. All of the plants in plantfile are fully documented covering an overview of the plant that includes a description, natural habitat and how the plant is commonly used. Ageratum conyzoides is an annual herb with a long history of. Cultivation blue billygoat weed ageratum houstonianum has been widely cultivated as a garden ornamental, and in cultivation it is often known as floss flower. Heat tolerant and attractive to butterflies, ageratum are perfect for bringing long lasting color and definition to summer containers and garden beds. The ageratum has flowers of different colors and shades. Adulticidal activity of ageratum houstonianum mill. Ageratum houstonianum syndication internationalphoto trends. Eupatorieae is a plant widespread in mexico and south ern usa.
Morphoanatomical study of ageratum conyzoides core. It prefers a well drained moderately fertile moist to dry light sandy to loamysoil with a ph range from 5. Ageratum houstonianum is naturally found from central and south america to the west indies growing in woodlands. These annual or perennial herbs and shrubs in the plant. Ageratum houstonianum commonly called ageratum or floss flower is the predominant commercially grown species and is marketed and sold primarily as a spring bedding plant and to a lesser degree as a cut flower. One of the tallest, ageratum houstonianum blue horizon floss flower features fluffy round clusters of lavender to purplishblue flowers resembling asters. The website also provides access to a database and images of herbarium specimens found at the university of south florida and other herbaria. Ageratum can be planted as a seed, or it can be planted as a seedling and can sometimes be found in garden centers, if growing from a seed, plant ageratum after the last frost and when the soil begins to warm up outside. Ageratum is a plant for you if you want an annual flower thats easy to grow and attracts butterflies. Ageratum, or floss flower, is a fluffy annual flower which comes in white, lavenderblue, and pink and is a favorite for summer gardens and containers description. Ageratum has evolved a unique method of protecting itself from insects. This page was last edited on 17 january 2020, at 12. You will learn how to grow ageratum from seeds in detail in the article. Ageratum, ageratum houstonianum master gardener program.
The plant is sometimes harvested from the wild for local medicinal use. It grows in the shade or in the sun with little care. Ageratum houstonianum, commonly known as flossflower, bluemink, blueweed, pussy foot or. Ageratum houstonium blue horizon surprisingly long blooming late spring to winter here at the nursery i love this old fashioned 30 tall floss flower for its rich, fluffy pettable. Issued as a pdf on the internet, it contains basic information on over 250 species of plants used for food in benin. Ageratum houstonianum blue horizon buy online at annie. Floss flower has fluffy looking flowers available in shades of blue. Ageratum houstonianum environmental horticulture university of. You need to follow the rules to reach abundant flowering. Ageratum houstonianum is a familiar sight in the garden centers and in the wild. Flossflower ageratum houstonianum the flossflower is an annual ageratum species, that can range in height from 12 to 39 inches 30 to 100cm. Presented here is summary information about the species ageratum houstonianum from the global compendium of weeds, and citations of references to this species as a weed. Outlasts standard bedding types outdoors in gardens and mixed containers.
Ageratum is a usually erect, and often muchbranched, annual plant growing 30 100cm tall. Files are available under licenses specified on their description page. Ageratum is derived from the greek a geras, mean ing nonaging, referring to the longevity of the. This page was last edited on 7 december 2014, at 16. Ageratum houstonianum, a native of mexico, is among the most commonly planted ageratum varieties. Asteraceae leaf extracts against three vector mosquito species. Ageratum, floss flower ageratum houstonianum pick ontario. Ageratums offer soft, round, fluffy flowers in various shades of blue, pink or whitewith blue being most common. The majority of species are native to the new world.
Several specimens of adult plants of ageratum conyzoides. Reliable favorite for summer and fall color in borders and containers. Several dwarf varieties are commonly used as edging plants. Each plant has information on its soil requirements, aspect pruning and fertilising as well as propagation. The flowers on this tender annual come mostly in shades of blue, but can be pink, lavender or white. Ageratum houstonianum, commonly known as flossflower, bluemink, blueweed, pussy foot or mexican paintbrush, is a coolseason annual plant often grown as bedding in gardens. It is in flower from june to october, and the seeds ripen from august to october. Tiny, tassellike flowers in blue, white, or pink come in dense clusters that resemble powder puffs. Further information on commonly grown ageratum garden species. Blue billygoat weed ageratum houstonianum is regarded as an environmental weed in queensland and new south wales. Floss flower ageratum houstonianum hawaii white pretty plants for summer container gardens on hgtv floss flower ageratum houstonianum annual, full sun, moist, welldrained soil ht to spread to no. Hairy, soft green leaves are roundish, usually heart shaped at the base. An old favorite with its fluffy round clusters, ageratum houstonianum floss flower is one of the few annuals to tolerate light shade. Ageratum houstonianum blue danube mexican paintbrush.
One species that is commonly used as a bedding plant, ageratum houstonianum, is from mexico, and is named after william houston 16951733, a scottish physician who collected the first ageratum plants. The species is hermaphrodite has both male and female organs and is pollinated by insects. Pyrrolizidine alkaloids from ageratum houstonianum mill citeseerx. Media in category ageratum houstonianumthe following 189 files are in this category, out of 189 total. The leaves of the plant are oval at the stem and triangulate out, reaching a length of 1 to 3 inches 2. Pdf objective to determine the intrinsic toxicity of hexane, ethyl acetate and methanol crude extracts of ageratum houstonianum leaves. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. A nonstop bloomer from mid summer to fall, it grows easily in shapely mounds, up to 1830 in. Ageratum, floss flower, flossflower ageratum houstonianum. Most species are native to central america and mexico but four are native to the united states. Ageratum houstonianum ageratum, tuinageratum of mexicaantje is. Ageratum houstonianum f1 blue horizon sakata ornamentals. Many familiar garden plants still have relatives in the pastures and fields. Dainty, flossy blooms form mounds of soft color and texture perfect for combining with trailing and spiky, upright annuals.
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