Wind pollinated.  Dioecious.  According to Huegel (2010), the flowers attract insects. Plant tree in areas where fallen fruit will not be an issue.

Background plant in a wetland garden. Wetland creation and restoration projects.

Leaves are very small and arranged in circles around the stem at each node giving it a banded appearance. This is a fern ally and reproduces by spores. Water gardens, edges of retention ponds, rain gardens or bioswales.

Trellis or fence

In a managed garden, gamagrass can be trimmed back at the end of winter. Hedge, foundation planting, individual large grass clump, background screen for a flower garden. Rain garden or bioswale.

Hedges, screens.

Moist wildflower garden.