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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Economic Botany, 58 1 Supplement 1: Sheldon Navie large infestation in a pasture Photo: It also forms dense patches on coastal dunes and headlands in New South Wales.
Florida Entomologist, 91 1: Datasheet Ageratum houstonianum Blue billygoatweed. The species is used in traditional medicine to treat skin infections and sore throats Johnson, ; Andrade-Cetto, National Germplasm Resources Laboratory.
Ageratum houstonianum is toxic to grazing animals, causing liver lesions.
The Plant Guide
You may find mold on the flowers and stems or brown spots on the foliage of your floss flower plants. Vernonia Cyanthillium cinereum leaves have finely-toothed i. On top of all its other qualities, Ageratum will also grow in full sun and part shade.
Johnson, ; Missouri Botanical Garden, Floss flower is not particularly choosy about soil conditions but does not do well in soggy conditions. Cornell Garden-Based Learning, Blue billygoat weed Ageratum houstonianum has been widely cultivated houstomianum a garden ornamental, and in cultivation it is often known as “floss flower”.
The species naturalized houstinianum became a weed in hotbeds in England prior to Asteraceae leaf extracts on the oviposition agertum of Anopheles stephensiAedes aegypti and Culex quinquefasciatus Diptera: From Wikipedia, the free encyclopedia.
Articles with ‘species’ microformats Commons category link is on Wikidata Taxonbars with 25—29 ageratu IDs. Its colors range from blue, purple, lavender to pink, red, white and bicolor, providing a nice contrast with the rest of the bedding plants.
To help you plan your summer or early fall garden, here is a plant combination, in …. Plant Disease, 99 5: Compact and reliable garden performer.
Ageratum houstonianum (Blue billygoatweed)
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Powdery mildew is an occasional problem, particularly in hot and humid climates where soils are kept on the dry side and air circulation is poor. A tendency to develop Powdery Mildew seems to be its only downside see below about how to overcome this.
Noteworthy Characteristics Fast grower. Environmental Services Koi list A. Asteraceae leaf extracts against Anopheles stephensiAedes aegypti and Culex quinquefasciatus Diptera: Perennials A to Z.
Ageratum houstonianum (Floss Flower)
Combining repellent and attractive aromatic houstonuanum to enhance biological control of three tortricid species Lepidoptera: Chemical composition of the essential oils of Ageratum houstonianum Mill. When planting Ageratum, give the soil some compost mulch and that should be all ageratu, needs. Wetland Status Usually occurs in non-wetlands, but occasionally in wetlands.
September”Biological activity of precocene analogues on Locusta migratoria “, Cellular and Molecular Life Sciences Invasive plants key and fact sheets. Place the young plants into the holes aageratum cover the root balls completely with soil and water thoroughly to compact the soil. Veterinary and Human Toxicology, 46 4: Social Benefit The species is used in traditional medicine to treat skin infections and sore throats Johnson, ; Andrade-Cetto, Herbaceous ornamental and useful plants.
Taller varieties make good cut flowers. More From the Plant Guide.
Award winners are the most reliable of all plants. It is also reported as invasive in Kenya, Malawi and Rwanda. Also effective in rock gardens. The narrow lanceolate bracts are pointed, denticulate only at the top and glandular hairy. Hawaii, Fiji and French Polynesia. First reports of the species in the USA and the Caribbean are from the late ‘s as an ornamental and escaping from cultivation Sorrie, ; Missouri Botanical Garden, The species contains secondary metabolites that suppress the development of the juveniles of Meloidogyne haplaa nematode that causes significant damage and crop losses in temperate zones Thoden et al.
Biocontrol Science and Technology, 23 4: If you look at the photos below and click to enlarge them, you can see what happens as the tiny buds unfurl. The naturalized flora of Hong Kong: Although Palmer cites it as recently introduced in Hawaii, Fosberg collected the species at Honolulu inreporting it as escaped from cultivation.