How fast is hydrilla spreading?

Hydrilla spreads extremely rapidly, capable of growing up to an inch per day under optimal conditions and easily moving between waterbodies via boat fragments.

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Hydrilla Research & Data

Comprehensive data, statistics, economic impacts, and timelines regarding the spread of Hydrilla verticillata in North America.

Research & Statistics Center

Access the latest peer-reviewed research, economic damage models, and state-by-state spread statistics.

Infestation Statistics Most Affected States Economic Damage Data Spread Timeline

Frequently Asked Questions About Hydrilla Research & Data

References

Information presented on this page is supported by peer-reviewed research, federal agencies, and state resource management programs.

U.S. Geological Survey (USGS) – Nonindigenous Aquatic Species Databasehttps://nas.er.usgs.gov
U.S. Army Corps of Engineers – Aquatic Plant Control Research Programhttps://www.erdc.usace.army.mil
NOAA Aquatic Invasive Species Programhttps://www.noaa.gov