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Fountaingrass is a perennial bunch grass native to Northern Africa. It has been extensively used as an ornamental landscape plant in other parts of the world. Pennisetum setaceum is a highly invasive plant that has displaced native vegetation in Hawaii, California, Arizona and Nevada.
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Identification ![]() The best identifying characteristic will be the flowering tops. The flowering tops have a fluffy, "bottle-brush" like appearance. These "bottle-brushes" are many small and light seeds that are well adapted for wind dispersal. Pennisetum setaceum has a very similar appearance to one of our native bunch grasses, Purple three-awn, Aristida purpurea. Don't be confused; Purple three-awn won't have the "bottle-brush" flowering heads. Aristida purpurea is also softer and smoother if you run you fingers along its blade margins.
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Last updated: February 28, 2015