| General Description | Genus name is the classical Greek name for these plants. |
| Shape | Sturdy and slightly arching. Tall, erect, bushy and clump-forming. |
| Landscape | Rain garden and specimen plant. |
| Propagation | From seed; direct sow outdoors in autumn or sow and stratify at 5° C for 60 days. |
| Cultivation | Full sun and partial-shade. Moist soil. |
| Pests | Susceptible to leaf spot. |
| Notable Specimens | Olds College, Olds, Alberta, Canada. |
| Habitat | Woodlands and along bluffs. |
| Leaf Description | Pinnately compound foliage. |
| Flower Description | Showy, large, plume-like spikes of tiny flowers. Open in June and arch gracefully over the foliage for 4 weeks.
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| Colour Description | The foliage is dark green. The flowers are white and takes on an olive green colour as it matures. |
