Classification and Permitting Level
Flowering rush is an invasive plant that is commonly used in water gardens. It has triangular-shaped leaves that twist near the tip, flowers that grow in groups of 20-50, form an umbrella-like structure and have three pink petals, three sepals and nine stamens per flower.
It is typically found along the shoreline but can become established in water deeper than 3 meters.
Reason for ANS Designation
This plant is considered an aquatic nuisances species because it can grow quickly, out compete native vegetation, impeed recreational activity and restrict water flow.
Place of Origin
Flowering rush is native to Eurasia, Asia and Africa, but was introduced to the United States in the late 1800s.
Stopping the Spread
When gardening, choose native plant options. Avoid aquatic gardens next to lakes, rivers and streams.