| Scientific Name: | Buddleja davidii |
| Common Name: | butterfly bush |
| Family Name: | Scrophulariaceae |
| Origin: | S.E. Asia / Japan / China |
| Hardiness Zone: | Zone 5: (-29 to -23 °C) |
| Plant Type: | Invasive plant, Shrub - deciduous |
| Mature Size: | 2 - 3m x 3 - 4m (height x width) |
| Habit: | Arching, Upright |
| Form: | Vase |
| Texture: | Medium |
| Landscape Uses: | Attract butterflies, Erosion control, Fragrance, Summer interest |
| Exposure: | Full sun, Part sun/part shade |
| Soil or Media: | Well-drained |
| Leaves: | Simple, Opposite, Soft flexible, Pinnate venation, Tomentose, Lanceolate, Serrulate |
| Flowers: | Thyrse, White, Blue, Purple, Pink, Jun-Jul-Aug-Sep |
| Fruit: | Capsule, Brown, Sep-Oct-Nov, (Persistent) |
| Key ID Features: | |
| Tall perennial with pubescent and angular (4-8 sided) new growth; leaves opposite, lanceolate, most blades 8-25cm long x 2-7cm wide, green/grey-green on top, white below and pubescent; raceme large, dense, purple, persistent. Winter ID: persistent opened capsules, buds opposite, ovoid, 1-2mm long, grey, pubescent, open in Feb. | |