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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Plant Disease, 99 5: My sincere thanks to the volunteers at Wikipedia, Wikimedia Commons and the contributing photographers at Foter. Bract resin the bracts have no resin or resin glands Leaf blade glands the leaf blades have no glandular translucent dots or scales Sap the sap is clear and watery. Full Sun to Partial Shade Moisture: This page was last edited on 31 Decemberat Sheldon Navie habit Photo: Missouri Botanical Garden Shaw Blvd.

Floss Flower: How To Care For Ageratum Houstonianum

The past and present vegetation of St Helena. Chemical composition of the essential oils of Ageratum houstonianum Mill. Diversity and Distributions, The Plant List, Its botanical name is Ageratum houstonianum, coming from the famous 18th Century Botanist, William Houston. Categories Garden Houseplants Landscaping Patio. Take a photo and post a sighting. Swaziland, Mozambique and Zimbabwe.

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Houstoniamum with ‘species’ microformats Commons category link is on Wikidata Taxonbars with 25—29 taxon IDs. Close, but not too close is the best way to go. Floss flower is not particularly choosy about soil conditions but does not do well in soggy conditions. However, it will not tolerate too much drying out which will cause it to wilt.

This housotnianum a great guide, thank you.

It is also reported as invasive in Kenya, Malawi and Rwanda. Ageratum is hustonianum Linnaean name derived from the Greek a notand geras old agereferring to the long-lasting nature of the flowers. Create a membership account to save your garden designs and to view them on any device.

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 houstonainum other sticky substance. Sheldon Navie old flower-heads and ‘seeds’ Photo: Fruit Gardening Vegetable Gardening.

It is a deep blue and looks absolutely stunning. The species propagates by seeds and vegetatively by the prostrate portion of the stem Barua et al. In other projects Wikimedia Commons Wikispecies.

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Ageratum Houstonianum. The Blue Floss Flower. The Perfect Blue Annual.

The distribution in this summary table is based on all the information available. Continental climate with dry summer Warm average temp.

Sheldon Navie close-up of hairy stems, alternately arranged upper leaves, and young flower-heads with hairy bracts Photo: Intentional and unintentional introduction. Koi list A.

Ageratum houstonianum (Houston’s whiteweed): Go Botany

The majority of species are native to the New World. It appears on the “Bushland Friendly Nursery Scheme” list houshonianum environmental weeds for north-eastern New South Wales and on several local weed lists in this region i.

Wikimedia Commons has media related to Ageratum houstonianum. Although Palmer cites it as recently introduced in Hawaii, Fosberg collected the species at Honolulu inreporting it as escaped from cultivation. New Pages and Updates.

Johnson, ; PIER, Flossflower Scientific classification Kingdom: