Greater Water DockRumex orbiculatus
a.k.a. Great Water Dock
Great Water Dock is a native wetland species that prefers wet soils and full sun. Its wind-pollinated flowers bloom up to a month in late summer and early fall. It serves as an important food source for insects and birds.
USDA symbol: RUOR2
General Information
| Plant Type | Forb |
|---|---|
| Height | 3 to 6 feet |
| Light Exposure | Sun, Part Sun |
| Soil Moisture | Medium, Wet |
| Bloom Color | Pink, Red, Green |
Tolerances
| Flooding / Inundation Tolerance | High |
|---|---|
| General Resilience | 5 |
| Salt Tolerance | None |
| Stress Tolerance | General Disturbance |
Pollinator Value: Very High
| Bloom Months | June to July |
|---|---|
| Larval Host of | Butterflies |
| Specific Pollinators Hosted | Lycaena hyllus, Lycaena phlaeas |
Project Planning
| Project Type | Erosion Control, Shoreline Buffer |
|---|---|
| Coefficient of Conservatism | 7 |
| Herbivore Sensitivity | High |
| Lifespan | Perennial |
| Rate of Spread | Medium |
| Soil Stabilization | Deep |
Range
| County | Aitkin, Anoka, Beltrami, Benton, Blue Earth, Carver, Cass, Chisago, Clay, Clearwater, Cook, Crow Wing, Dakota, Dodge, Douglas, Fillmore, Freeborn, Goodhue, Grant, Hennepin, Houston, Isanti, Itasca, Jackson, Kanabec, Kittson, Koochiching, Lake, Lake of the Woods, Le Sueur, Lyon, Mahnomen, Marshall, McLeod, Meeker, Mille Lacs, Morrison, Norman, Pine, Pipestone, Polk, Pope, Ramsey, Red Lake, Redwood, Rice, Rock, Roseau, Sherburne, Sibley, St. Louis, Stearns, Steele, Todd, Wabasha, Wadena, Washington, Winona, Wright |
|---|---|
| Ecoregion | Driftless Area, Lake Agassiz Plain, North Central Hardwood Forests, Northern Glaciated Plains, Northern Lakes and Forests, Northern Minnesota Wetlands, Western Cornbelt Plains |
| Approximate Eco Province | Eastern Broadleaf Forest, Laurentian Mixed Forest, Prairie Parkland, Tallgrass Aspen Parklands |