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Pest Information

Hurricane Grass

Hurricane Grass

  • Latin Name: Fimbristylis Cymosa
  • Common Name: Hurricane Grass
  • Other Names: Tropical fimbry

Pest Details

Hurricane Grass
Hurricane Grass
Hurricane Grass


Native to Florida and the West Indies, and also found in Hawaii, throughout Latin America, and in the Old World tropics.


A perennial weed reproducing from seeds and spreading by rhizomes that form extensive patches of this plant, competing easily with other plant life. It is especially common in brackish areas and dry waste areas, although it is able to grow easily in other habitats as well, including turf.


Plants form tufts, with several erect stems that are triangular in cross-section and without branches to the point where the seed clusters form. The basal leaves are very narrow and flat or slightly rolled, and at the area of the seed cluster there are a few additional, very short leaves. The seed head is a dense cluster of brown flowers whose margins have a scaly or papery look to them.

Characteristicts Important to Control:

Control of excessive moisture in turf will help to discourage the growth of most sedges, including the various Kyllinga species. For sedges that reproduce only from seeds control with pre-emergent herbicides can be effective. Post-emergence control in turf will require a selective herbicide which targets the sedges specifically. In non-turf settings a systemic, non-selective herbicide will be effective.

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