| Scientific Name: | Geum macrophyllum |
| Common Name: | large-leaved avens |
| Family Name: | Rosaceae |
| Origin: | North America |
| Hardiness Zone: | Zone 4: (-34 to -29 °C) |
| Plant Type: | Herbaceous perennial |
| Mature Size: | 0.4 - 0.7m x 0.3 - 0.6m (height x width) |
| Habit: | Arching |
| Form: | Vase |
| Texture: | Medium - coarse |
| Landscape Uses: | Native planting, Perennial border, Waterside planting |
| Exposure: | Full sun only if soil kept moist, Part sun/part shade, Filtered shade |
| Soil or Media: | Well-drained |
| Leaves: | Lobed, Compound, Alternate, Soft flexible, Palmate venation, Pubescent, Odd-pinnate, Ovate, Spatulate, Pinnately lobed, Serrate |
| Flowers: | Cyme, Yellow, May-Jun |
| Fruit: | Achene, Green, Brown, Jul-Aug |
| Key ID Features: | |
| Basal leaves compound with large terminal leaflet, stem leaves alternate and deeply lobed and coarsely serrate; cyme with 3-10 flowers each with 5 rounded yellow petals and numerous pistils which become a globe of achenes ~2cm wide. | |