AGERATUM HOUSTONIANUM PDF

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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Ageratum houstonianum is toxic to grazing animals, causing liver lesions. The bases of the flower-heads are relatively large mm across. You can lure away the flies from your plants using an old-fashioned fly trap made by painting a post bright yellow then covering it with a sugar solution, honeyor any other sticky substance. The new blooms of the floss flower form on top of the old ones but you should still pinch off the browned blossoms occasionally to encourage new growth.

Missouri Botanical Garden Shaw Blvd. An amazingly versatile and easy care plant. Also widely naturalised in the tropical regions of the world, including south-eastern USA i. Sheldon Navie close-up showing the numerous tiny flowers in each flower-head Photo: Also effective in rock gardens. It comes in sizes from about 6″ to 30″ high and spreads to about 18″.

Two breathtaking beauties for a duo that is easy to re-create at home in borders, …. Comments on the identity of Ageratum conyzoides L. Summary of Invasiveness Top of page A. View or Create Collections. Sheldon Navie close-up of hairy houstoninaum, alternately arranged upper leaves, and young flower-heads with hairy bracts Photo: Roadside, La Cumbre, Altamira, m. The bracts at the base of the flower-head mm long are elongated in shape i.

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It prefers a cool climate but can houstoonianum adapt to a temperate zone. This is a great guide, thank you. They readily become attached to animals, clothing and vehicles and may also be spread in contaminated agricultural produce.

Ageratum houstonianum – Wikipedia

Full Sun to Partial Shade Moisture: During cool, wet weather Botrytis blight is a problem, while rust can be troublesome during dry summers. Spent flowers will fall to the ground as they fade to be replaced by new bloom throughout the growing season. Annotated checklist of the whiteflies Homoptera: This desirable and long-lasting summer border is fairly easy to replicate in order to …. The Ageratum is also considered one of the best mosquito repellent plants.

Title Foliage and flowers.

Floss Flower: How To Care For Ageratum Houstonianum

National list of invasive and houstlnianum invasive plants in the Republic of Cuba – In some people it may cause skin problems. Uses Top of page Economic Value A.

Ageratum has evolved a unique method of protecting itself from insects: The species naturalized and became a weed in hotbeds in England prior to If necessary you can pull back the mulch around your plants slightly during application.

The leaves of A.

Ageratum houstonianum (Floss Flower)

Flossflower Scientific classification Kingdom: A nonstop bloomer from mid summer to fall Ageratum boustonianum ‘long-lived’ in Greekit grows easily in shapely mounds ranging from in. Weeds of Australia lists the following distinguishing characters: This family is special because of its secret: Taller varieties make good cut flowers. Two or three times a week for this plant, especially in summer.

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When cared for properly, the floss flower plant is generally hardy. Warm temperate climate with dry winter Warm average temp.

Invasive plants key and fact sheets. How many Ageratum houstonianum Floss Flower do I need for my garden? There are many cultivars available of this fast-growing annual.

Excellent choice for bedsbordersedgingsmass plantingrock gardens or groundcovers. There are many different cultivars, which vary in size and flower colour i. It is valued for providing the uncommon blue colour to gardens and landscapes Cornell Garden-Based Learning, Journal of Biogeography, 19 4: Zebu cattle have been reported to suffer from intoxication by grazing on A.

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, Distribution Maps Top of page You can pan and zoom the map. Leaf extracts have adulticidal activities, oviposition deterrent properties and repellent properties against the mosquitoes Anopheles stephensiAedes aegypti and Culex quinquefasciatus; all vectors of diseases that affect humans and domestic animals Ravindran et al.

Yes Yes Nursery trade Plants sold for gardens. Habitat terrestrial New England state Massachusetts Specific habitat man-made or disturbed habitats.

Fine Gardening – Issue The description of these plants has been written based on numerous outside resources.