A large grass that forms extensive stands, growing up to 19′ tall and spreading at a rate of 16′ per year. It can grow in damp ground, 3′ deep water or even as a floating mat. It can tolerate brackish water and alkaline conditions.
It is believed there is a native species but it has been out competed by the invasive European and Asian varieties. Phragmites are home to numerous birds and wildlife.
Unfortunately they crowd out all native plants by releasing an acid as they are degraded by light. This acid hits other seeds and plants with a toxin preventing growth.
A professional herbicide management program is suggested for control.