Ageratum houstonianum ageratum, bluemink, floss flower. These annual or perennial herbs and shrubs in the plant. This article was most recently revised and updated by melissa petruzzello, assistant editor. How to merge pdfs and combine pdf files adobe acrobat dc. Title medicinal plants in papua new guinea publication author publisher world health organisation year 2009 isbn 9789290612490 description traditional medicinal uses of 126 species from papua new guinea, including information on any modern research into the plants.
Pdf allelopathic effects of two important exotic weeds, ageratum. Ageratum has been grown for years, primarily because it offers a rare color in the flower world. Try growing ageratum in wildlife gardens where they will attract butterflies to their blooms. Ageratum houstonianum blue horizon heritage ageratum houstonianum blue horizon, an example of a now hard to find tall variety, since dwarf varieties of annuals are now dominating the seed market.
Oct 24, 2015 ageratum houstonianum produces a pop of unexpected interest that will light up your garden. They produce a profusion of fluffy flowers all season long. A reliable summer border favorite, ageratum has handsome foliage and clusters of longblooming fuzzy flowers that withstands summer rains. Noteworthy characteristics 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. Agerarin, identified from ageratum houstonianum, stimulates. A manual flora of madeira and the adjacent islands of porto santo. This garden escape frequently invades bushland and other natural environments resulting in substantial changes in native plant communities. Our pdf merger allows you to quickly combine multiple pdf files into one single pdf document, in just a few clicks. Ageratum conyzoides has only a few hairs on the bracts surrounding its flowerheads the involucral bracts are glabrous or sparsely pubescent. The flowers on this tender annual come mostly in shades of blue, but can be pink, lavender or white. Most types are mounding plants six to ten inches tall and wide, but there are taller types. Start your free trial of acrobat dc and easily combine multiple files into one pdf document.
A nonstop bloomer from mid summer to fall ageratum means longlived in greek, it grows easily in shapely mounds ranging from 624 in. Outlasts standard bedding types outdoors in gardens and mixed containers. Ecophysiological performance of two invasive weed congeners ageratum conyzoides l. Ageratum houstonianum mexican ageratum page 3 october 1999 the only disease of consequence is powdery mildew and late in the season infections can be ignored. Blue billygoat weed ageratum houstonianum is regarded as an environmental weed in queensland and new south wales. A very vigorous plant with strong, sturdy stems, many branches and larger flowers than the traditional ageratum. Pdf ecophysiological performance of two invasive weed. Ageratum red bouquet ageratum houstonianum seeds select. Ageratum houstonianum small tender herb grown for its fluffy brushlike blue to lavender blooms common ageratum ageratum any plant of the genus. This makes the flower perfect for patriotic plantings. Powdery mildew is a white or gray powdery growth on the leaves. The species is hermaphrodite has both male and female organs and is pollinated by insects. An old favorite with its fluffy round clusters, ageratum houstonianum floss flower is one of the few annuals to tolerate light shade.
Ageratum is one of the few annuals with a truly blue flower. Ageratum is derived from the greek a geras, meaning nonaging, referring to the longevity of the. Easy to grow, deer and rabbit resistant, it also attracts pollinators. The compact, uniform plants bear large, fluffy, powderblue flowers. Factsheet ageratum houstonianum blue billygoat weed. It prefers a well drained moderately fertile moist to dry light sandy to loamysoil with a ph range from 5. 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. With a vigorous, open habit, ageratum houstonianum blue mink is perfect for adding texture and colour to bedding, borders and containers. Identification of erysiphaceae family fungi in ardabil province. 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 is derived from the greek a geras, mean ing nonaging, referring to the longevity of the. Ageratums offer soft, round, fluffy flowers in various shades of blue, pink or whitewith blue being most common. Ageratum houstonianum was the topranked worst invasive species in agroecosystems while chromolaena odorata and ageratina adenophora. Ageratum houstonianum was introduced in india as an annual ornamen tal plant and is grown. Ageratum houstonianum, a native of mexico, is among the most commonly planted ageratum varieties. The present work investigated the allelopathic effects of two dominating exotic weeds ageratum houstonianum mill. Pdf identification of erysiphaceae family fungi in. This variety is bushy with clear, midblue flowerheads over heartshaped, mid green foliage. 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 lavenderblue flowers in summer and autumn.
Pdf seed germination ecology of ageratum houstonianum. Proven winners brings a new vegetative line of ageratum. Ageratum are among the prettiest garden blues, growing well in sun or partial shade, from early summer to frost. How to grow ageratum annual flowers, growing ageratum from. Cultivation blue billygoat weed ageratum houstonianum has been widely cultivated as a garden ornamental, and in cultivation it is often known as floss flower.
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. Features fluffy flowers basically asters with ray flowers absent in flattened to slightly rounded clusters atop compact, mounded plants generally ranging. Ageratum conyzoides is often confused with ageratum houstonianum blue billygoat weed. Several dwarf varieties are commonly used as edging plants. Ageratum houstonianum, first collected in 1731 in vera cruz, was not cul tivated in. It is in leaf from may to october, in flower from july to september. The juice of ageratum houstonianum is used in folk medicine as an external wound healing aid for skin injuries. The record derives from tica data supplied on 20120211 which reports it as an accepted name record 7c2dcf12ca344cb79c0315cf1cea0eee with original publication details. For those who landscape in cold climates, do not plant these tender beauties outside until youre sure your region has already received its last frost of the year. Ageratum houstonianum has numerous sticky hairs on the bracts surrounding its flowerheads the involucral bracts are glandular pubescent.
Artist blue flossflower ageratum hybrid proven winners. Ageratum plants grow from seed or from small seedlings sometimes found in garden centers. Ageratum houstonianum is often confused with another very similar species, ageratum conyzoides billygoat weed. Ageratum houstonianum, commonly known as flossflower, bluemink, blueweed, pussy foot or mexican paintbrush, is a coolseason annual plant often grown as bedding in gardens. One of the tallest, ageratum houstonianum blue horizon floss flower features fluffy round clusters of lavender to purplishblue flowers resembling asters. Ageratum houstonianum name synonyms ageratum conyzoides subsp. Ageratum houstonianum blue horizon easy to grow, always sending up lots of new blooming stems. Ageratum plants are covered with clusters of small, fuzzy flowers. 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.
Ageratum houstonianum is naturally found from central and south america to the west indies growing in woodlands. Ageratum houstonianum synonyms, ageratum houstonianum pronunciation, ageratum houstonianum translation, english dictionary definition of ageratum houstonianum. Pdf merge combinejoin pdf files online for free soda pdf. Deadhead to keep it blooming all season or cut for bouquets. The blue shade is an uncommon color and will instantly draw your visitors eye to wherever you plant it.
These strong performing ageratums have a great growth habit that produces mounds of soft blue or deep violetpurple flowers. Ageratum houstonianum definition of ageratum houstonianum. Ageratum conyzoides is a annual growing to 1 m 3ft 3in. Ageratum houstonianum new zealand plant conservation network. Flossflower, bluemink, blueweed and others synonymes. Ageratum houstonianum blue danube mexican paintbrush. Ageratum can also be found in several shades of pink, purple, and white. Landscape ageratum series forms a dense, mounded hedge of color, growing taller and more vigorously than any other ageratum. These annual or perennial herbs and shrubs in the plant family compositae asteraceae are all native to central and south america.
Ageratum, ageratum houstonianum master gardener program. No matter the color, all of these blooms are very popular with pollinators. Ageratum houstonianum information from the global compendium. It is in flower from june to october, and the seeds ripen from august to october. A nonstop bloomer from mid summer to fall, it grows easily in shapely mounds, up to 1830 in. Ageratum conyzoides goatweed, tropical whiteweed pfaf plant. Definitions of terms are available in the gcw introduction. Blue horizon is an f1 hybrid that may be grown from seed. Easily combine multiple files into one pdf document. Combining repellent and attractive aromatic plants to enhance biological control of three. Ageratum flowers come in a variety of blue, pink and purple tones and various heights.
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