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Ageratum houstonianum

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Family = Asteraceae
Genus = Ageratum
Species = A. houstonianum
Origin = Mexico
Annual

Ageratum is a popular bedding plant, often used as edging in borders.
This low growing annual (up to 18in but usually shorter depending upon the variety) likes full sun, hot weather and regular water. Ageratum blooms from spring through summer to fall until the first frost. They have a compact form with pillowy flowerheads held just above the plant giving the impression of miniature clouds in shades of blue, pink, or white floating along the edge of the garden.
Propagation is almost exclusively by seed, which can be started indoors during the spring frosts or seeded directly into the garden after the last frost. Low growing branches that lay in contact with the soil may, however, try to root, and these can be snipped off and transplanted to another area or into a container to extend the season.

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