These annual or perennial herbs and shrubs in the plant family compositae asteraceae are all native to central and south america. Ageratum is derived from the greek a geras, mean ing nonaging, referring to the longevity of the. With a vigorous, open habit, ageratum houstonianum blue mink is perfect for adding texture and colour to bedding, borders and containers. A manual flora of madeira and the adjacent islands of porto santo. Try growing ageratum in wildlife gardens where they will attract butterflies to their blooms. The blue varieties combine well with pink in the garden.
Ageratum houstonianum blue horizon easy to grow, always sending up lots of new blooming stems. One of the tallest, ageratum houstonianum blue horizon floss flower features fluffy round clusters of lavender to purplishblue flowers resembling asters. Identification of erysiphaceae family fungi in ardabil province. A very vigorous plant with strong, sturdy stems, many branches and larger flowers than the traditional ageratum. This article was most recently revised and updated by melissa petruzzello, assistant editor. 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.
Ageratum can also be found in several shades of pink, purple, and white. Most types are mounding plants six to ten inches tall and wide, but there are taller types. Ageratum houstonianum small tender herb grown for its fluffy brushlike blue to lavender blooms common ageratum ageratum any plant of the genus. Flossflower, bluemink, blueweed and others synonymes. Ecophysiological performance of two invasive weed congeners ageratum conyzoides l. Ageratum houstonianum is apparently native to southeastern mexico and central america.
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 blue shade is an uncommon color and will instantly draw your visitors eye to wherever you plant it. This variety is bushy with clear, midblue flowerheads over heartshaped, mid green foliage. It is in flower from june to october, and the seeds ripen from august to october. Blue horizon is an f1 hybrid that may be grown from seed. 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. Outlasts standard bedding types outdoors in gardens and mixed containers. Ageratum houstonianum has numerous sticky hairs on the bracts surrounding its flowerheads the involucral bracts are glandular pubescent. Ageratum conyzoides is a annual growing to 1 m 3ft 3in. Oct 24, 2015 ageratum houstonianum produces a pop of unexpected interest that will light up your garden. How to grow ageratum annual flowers, growing ageratum from.
Definitions of terms are available in the gcw introduction. 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. 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. The present work investigated the allelopathic effects of two dominating exotic weeds ageratum houstonianum mill. Easy to grow, deer and rabbit resistant, it also attracts pollinators. Combining repellent and attractive aromatic plants to enhance biological control of three. Ageratum is derived from the greek a geras, meaning nonaging, referring to the longevity of the. This garden escape frequently invades bushland and other natural environments resulting in substantial changes in native plant communities.
Easily combine multiple files into one pdf document. Powdery mildew is a white or gray powdery growth on the leaves. Ageratum red bouquet ageratum houstonianum seeds select. A nonstop bloomer from mid summer to fall, it grows easily in shapely mounds, up to 1830 in. Ageratum houstonianum was the topranked worst invasive species in agroecosystems while chromolaena odorata and ageratina adenophora. Soda pdf merge tool allows you to combine two or more documents into a single pdf file for free. Ageratums offer soft, round, fluffy flowers in various shades of blue, pink or whitewith blue being most common. 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 houstonianum blue danube mexican paintbrush. Ageratum houstonianum, commonly known as flossflower, bluemink, blueweed, pussy foot or mexican paintbrush, is a coolseason annual plant often grown as bedding in gardens. This makes the flower perfect for patriotic plantings.
Cultivation blue billygoat weed ageratum houstonianum has been widely cultivated as a garden ornamental, and in cultivation it is often known as floss flower. Deadhead to keep it blooming all season or cut for bouquets. The record derives from tica data supplied on 20120211 which reports it as an accepted name record 7c2dcf12ca344cb79c0315cf1cea0eee with original publication details. It is in leaf from may to october, in flower from july to september. Ageratum houstonianum ageratum, bluemink, floss flower.
Ageratum houstonianum, a native of mexico, is among the most commonly planted ageratum varieties. It prefers a well drained moderately fertile moist to dry light sandy to loamysoil with a ph range from 5. 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 name synonyms ageratum conyzoides subsp. Pdf allelopathic effects of two important exotic weeds, ageratum. Pdf identification of erysiphaceae family fungi in. Proven winners brings a new vegetative line of ageratum. The compact, uniform plants bear large, fluffy, powderblue flowers. Artist blue flossflower ageratum hybrid proven winners. Ageratum are among the prettiest garden blues, growing well in sun or partial shade, from early summer to frost. The flowers on this tender annual come mostly in shades of blue, but can be pink, lavender or white.
Ageratum houstonianum, first collected in 1731 in vera cruz, was not cul tivated in. Ageratum plants grow from seed or from small seedlings sometimes found in garden centers. Ageratum conyzoides has only a few hairs on the bracts surrounding its flowerheads the involucral bracts are glabrous or sparsely pubescent. An old favorite with its fluffy round clusters, ageratum houstonianum floss flower is one of the few annuals to tolerate light shade. Start your free trial of acrobat dc and easily combine multiple files into one pdf document. 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. Ageratum houstonianum is naturally found from central and south america to the west indies growing in woodlands. 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. Ageratum houstonianum information from the global compendium. Ageratum is one of the few annuals with a truly blue flower. 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. Ageratum houstonianum new zealand plant conservation network.
Factsheet ageratum houstonianum blue billygoat weed. Ageratum houstonianum synonyms, ageratum houstonianum pronunciation, ageratum houstonianum translation, english dictionary definition of ageratum houstonianum. Landscape ageratum series forms a dense, mounded hedge of color, growing taller and more vigorously than any other ageratum. Pdf merge combinejoin pdf files online for free soda pdf.
Blue billygoat weed ageratum houstonianum is regarded as an environmental weed in queensland and new south wales. Ageratum houstonianum is often confused with another very similar species, ageratum conyzoides billygoat weed. Ageratum plants are covered with clusters of small, fuzzy flowers. No matter the color, all of these blooms are very popular with pollinators. A nonstop bloomer from mid summer to fall ageratum means longlived in greek, it grows easily in shapely mounds ranging from 624 in. Blue billygoat weed ageratum houstonianum has been widely cultivated as a garden ornamental, and in cultivation it is often known as floss flower. These strong performing ageratums have a great growth habit that produces mounds of soft blue or deep violetpurple flowers. How to merge pdfs and combine pdf files adobe acrobat dc. Ageratum has been grown for years, primarily because it offers a rare color in the flower world. Ageratum conyzoides is often confused with ageratum houstonianum blue billygoat weed. 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. Ageratum houstonianum definition of ageratum houstonianum. Ageratum flowers come in a variety of blue, pink and purple tones and various heights. Pdf seed germination ecology of ageratum houstonianum.
Agerarin, identified from ageratum houstonianum, stimulates. They produce a profusion of fluffy flowers all season long. Our pdf merger allows you to quickly combine multiple pdf files into one single pdf document, in just a few clicks. Features fluffy flowers basically asters with ray flowers absent in flattened to slightly rounded clusters atop compact, mounded plants generally ranging. The species is hermaphrodite has both male and female organs and is pollinated by insects. Pdf ecophysiological performance of two invasive weed. Ageratum houstonianum commonly called ageratum or floss flower is the predominant commercially grown species and is marketed and sold.
1629 1413 1072 554 1529 488 1490 630 843 359 1052 145 692 141 1437 1366 997 1098 947 724 233 1556 1147 577 418 741 1438 1367 473 622 428 118 1365 1174 1187 452 652 159 519 1274 491