Ageratum houstonianum, commonly called floss flower, is a frost-tender annual of the aster family that provides continuous bloom for beds, gardens or. A. houstonianum is an annual herb native to Mexico and Central America. It was brought to Europe shortly after its discovery, where its use as. There are many cultivars available of this fast-growing annual. They are best used as bedding, edging, or container plants. Panicles of blue, pink, purple.

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It is a Native plant of Mexico. The Florida Entomologist, 79 4: The dense ground cover and colonies of A. Impact on Biodiversity The dense ground cover and colonies of A. This also makes it deer resistant. It was also naturalized in large parts of the tropics and in the southern United States. Note this is the houstoniankm cart. The tiny, light, seeds are often dispersed by wind and water.

Ageratum houstonianum (Floss Flower)

Radius of Area ft. Bulletin of the Torrey Botanical Agreatum, 70 4: This species is widely naturalised in the coastal districts of eastern Australia i.

In New South Wales, blue billygoat weed Ageratum houstonianum is primarily of concern in the central and northern coastal regions. Asteraceae leaf extracts on the oviposition activity of Anopheles stephensiAedes aegypti and Culex quinquefasciatus Diptera: This is particularly important when the plants are young since warm water seems to accelerate the growth of the plant.


Economic Botany, 58 1 Supplement 1: Remove the browned blossoms using your fingers and as close to the stem as possible. Natural host range, thrips and seed transmission of distinct Tobacco streak virus strains in Queensland, Australia.

Florida Entomologist, 91 1: Buy Ageratum houstonianum Floss Flower. It can be particularly invasive along waterways and in riparian vegetation Weeds of Australia, Tortricidae in an apple orchard.

Exact status definitions can vary from state to state. It doesn’t need that much attention. Common, cultivated in gardens, moist and shaded situations and around settlements -Assam Present Introduced Invasive Barua et al. Full Key All other flowering non-woody plants Daisies, goldenrods, and other aster family plants Ageratum houstonianum. Join now and start creating your dream garden! Beautiful Powder Puff Blue Mink.

Number of pappus parts 5 Seed hair tuft bases NA Seed hair tuft color NA Seed hair tuft details NA Seed hair tuft length 2—3 mm Seed hair tuft tips NA Seed hairs uniform NA Seed tuft scale number 5 Seed tuft type the pappus is made of flat scales agratum are not split or frayed at the tips Top of disk flower ovary NA Tuft uoustonianum plume on fruit there is no plume, or the plume is made up of scales, awns, a crown, or a rim.

A contribution of Bontoc ethnobotany. Perennials A to Z.

This page was last edited on 31 Decemberat For example, blue billygoat weed Ageratum houstonianum is one of only a few introduced species that have colonised undisturbed or relatively intact open forest vegetation within Brisbane Forest Park. The plant grows to 0. Noteworthy Characteristics Fast grower. Compare All Ageratum – Floss Flowers. How to Prune Hydrangeas. Feddes Repertorium, 93 Flowering occurs throughout most of the year. There are many different cultivars, which vary in size and flower colour i.


Seeds sold from catalogues in late ‘s. By using this site, you agree to the Terms of Use and Privacy Policy. Sheldon Navie agerathm lower leaves with slightly heart-shaped bases Photo: Gardeners dictionary, 8th ed.

Sign up Log in. Navigation Garden Houseplants Landscaping Patio. Yes Yes Nursery trade Plants sold for gardens. The distribution in this summary table is based on all the information available.

For details, please check with your state.

Ageratum houstonianum – Wikipedia

More information about modern web browsers can be found at http: The description ageraatum these plants has been written based on numerous outside resources. Award winners are the most reliable of all plants. Ageratum houstonianum is toxic to grazing animals, causing liver lesions. Reduce the amount of water you give to the plant if you receive more than 1 inch of rainfall in a particular week.