| Scientific Name: | Rumex crispus |
| Common Name: | curled dock |
| Family Name: | Polygonaceae |
| Origin: | Central / west Asia, Europe |
| Hardiness Zone: | Zone 6: (-23 to -18 °C) |
| Plant Type: | Herbaceous perennial, Invasive plant |
| Mature Size: | 0.7 - 1.3m x 0.3 - 0.6m (height x width) |
| Habit: | Spreading, Upright |
| Form: | Mounded |
| Texture: | Medium - coarse |
| Landscape Uses: | Erosion control, Medicinal plant |
| Exposure: | Full sun, Part sun/part shade, Filtered shade |
| Soil or Media: | Well-drained |
| Leaves: | Simple, Alternate, Basal, Soft flexible, Heavily veined, Glabrous, Lanceolate, Oblong, Crenate, Undulate (wavy) |
| Flowers: | Panicle, Red, Jun-Jul-Aug-Sep |
| Fruit: | Achene, Brown, Aug-Sep-Oct |
| Key ID Features: | |
| Basal leaves basal oblong-lanceolate, wedge-shaped to rounded at the base, most blades 10-30cm long x 4-8cm wide, margin curled or wavy; petioles long, pimply and finely hairy; stem leaves alternate, reduced upward, becoming short-stalked; flowers tightly clusters on a large, dense, elongated panicle, usually greenish before turning yellowish-red-brown; achenes brown, smooth, shiny, about 2.5mm long, in calyx. | |