Persicaria campanulata (Lesser Knotweed)
Persicaria campanulata (Lesser Knotweed) is a semi-evergreen, mat-forming perennial with handsomely veined, ovate leaves, brown-felted beneath. From mid-summer to early fall, it boasts clusters of small, white or pink, heather-like flowers in dense panicles at the tips of the sprawling stems. Spreading enthusiastically, this is an excellent ground cover.
Persicaria campanulata (Lesser Knotweed) is a semi-evergreen, mat-forming perennial with handsomely veined, ovate leaves, brown-felted beneath. From mid-summer to early fall, it boasts clusters of small, white or pink, heather-like flowers in dense panicles at the tips of the sprawling stems. Spreading enthusiastically, this is an excellent ground cover.
- Grows up to 2-3 ft. tall and wide (60-90 cm).
- Thrives in moist soils in full sun to part shade.
- Pest and disease free.
- Cut back after flowering.
- Propagate by division in spring or autumn.
- Native to the Himalayas.
Requirements
| Hardiness | 5 – 8 |
|---|---|
| Heat Zones | 5 – 8 |
| Plant Type | Perennials |
| Plant Family | Persicaria – Fleeceflowers |
| Exposure | Full Sun, Partial Sun |
| Season of Interest | Summer (Mid,Late)Fall |
| Height | 2' – 3' (60cm – 90cm) |
| Spread | 2' – 3' (60cm – 90cm) |
| Spacing | 24″ – 30″ (60cm – 75cm) |
| Water Needs | Average, High |
| Maintenance | Low |
| Soil Type | Clay, Loam |
| Soil pH | Acid, Alkaline, Neutral |
| Soil Drainage | Moist but Well-Drained, Poorly Drained |
| Characteristics | Showy, Semi-Evergreen |
| Garden Uses | Beds and Borders, Bog Gardens, Ponds and Streams |
| Garden Styles | Informal and Cottage |