Ageratum Houstonianum Flower. Compact habit 6-8 inches tall and wide. Ageratum Houstonianum is a low-growing plant which can reaches up to 05 m in height and has multi-colored flowering.
The Ageratum houstonianum or Floss Flower as it is more commonly known belongs to the Asteraceae family - the same very special family to which the Daisies Asters Gerberas Chrysanthemums and so many others all belong. Forms clumping mounds with colors of pink white. Ageratum houstonianum or flossflower Scientific name.
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Most often you can see the blue flowers of various hues in. A nonstop bloomer from mid summer to fall Ageratum means long-lived in Greek it grows easily in shapely mounds ranging from 6-24 in. Most often you can see the blue flowers of various hues in. Ageratum houstonianum1 Edward F.