Threadleaf knotweed
Threadleaf knotweed
Persicaria filiformis
Variation
Shipping within 4-10 working days
- Delicate flower panicles for sunny beds.
- Easy-care and long-lasting.
- Attracts pollinators.
- Summer bloom until autumn.
- Robust and winter hardy.
Persicaria filiformis is admired for its graceful habit and slender, arching flower spikes in soft shades of pink to red that bloom from late summer into autumn. Fresh green foliage forms a calm backdrop for the delicate flowers. This hardy perennial adds elegance and movement to partially shaded borders while attracting bees, butterflies, and other beneficial insects.
Care/Water
Persicaria filiformis requires regular watering during the growing season. The soil should remain evenly moist, humus-rich, and well-drained. Avoid waterlogging to prevent root rot. Ensure sufficient watering during hot summer periods.
Maintenance
Remove faded flowers regularly to prolong flowering. Cut back the plant close to the ground in spring. Organic fertilization strengthens vitality. Very low-maintenance and robust.
Location
Persicaria filiformis thrives in sunny to partially shaded spots. Full sun promotes intense flower colors. Partial shade is well tolerated. Ideal for beds, borders, and group plantings. Good air circulation prevents disease.
Tip
Mulching helps retain moisture and reduce weeds. Plant multiple specimens together for a harmonious overall look. Regular care extends flowering. An attractive and decorative perennial.
Persicaria filiformis features pink flowers that enliven beds and borders and provide decorative accents.
It attracts pollinators.
| Flowering months | |
|---|---|
| Density per m2 | 2 a 3 |
| Max height full grown | 50 cm |
| Plant family name | Knotweed | Persicaria |
| Standing | Part shade, Full sun |
| Properties | Summer bloomer, Group planting, Border plant. |
| Flower color | Pink |
| Leaf color | Green |
Delivery costs
| BE € 4,95 | NL € 5,95 |
| DE € 6,95 | FR € 9,95 |
| AT € 14,95 | DK € 16,95 |
| IT € 16,95 | ES € 19,95 |
| SK € 19,95 | CZ € 19,95 |
| SE € 20,95 | IE € 20,95 |
| LU € 20,95 |
Payment methods
- Eco Edenred - Sodexo - Monizze with online @ checkout payment method