| Scientific Name: | Lysimachia monelli |
| Common Name: | blue pimpernel |
| Family Name: | Primulaceae |
| Origin: | Europe |
| Hardiness Zone: | Zone 7: (-18 to -12 °C) |
| Plant Type: | Annual (grown as), Herbaceous perennial |
| Mature Size: | 0.2 - 0.4m x 0.3 - 0.6m (height x width) |
| Habit: | Spreading |
| Form: | Creeping / Mat-like, Weeping |
| Texture: | Medium - fine |
| Landscape Uses: | Bedding plant, Container planting, Hanging basket, Perennial border, Small garden/space, Summer interest |
| Exposure: | Full sun |
| Soil or Media: | Well-drained |
| Leaves: | Simple, Opposite, Sessile, Soft flexible, Palmate venation, Glabrous, Lanceolate, Entire |
| Flowers: | Flowers clustered, Orange, Blue, Violet, Purple, Jun-Jul-Aug-Sep-Oct |
| Fruit: | Capsule, Brown, Oct |
| Key ID Features: | |
| Stems square and ribbed; leaves sessile, opposite (may appear whorled at stem tips), sessile and clasping stem, lanceolate, most 2-3cm long x 7-12mm wide, mid-green; flowers 3-4cm wide, usually bright blue with reddish throat and short yellow anthers, petioles 3-5cm long, arising from leaf axil, commonly 4 per node, 5 petals, each ~1.5cm wide. | |