Persicaria filiformis 'Brushstrokes'
knotweed 'Brushstrokes'
A compact, clump-forming, deciduous herbaceous perennial to 80cm with hairy, ovate bright green leaves which have dark burgundy red markings forming a horseshoe shape across the leaf. Upright spikes of small red flowers appear from summer through until the autumn. Suitable for smaller gardens or the front of a flower border
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Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green Red | |||
|---|---|---|---|---|
| Summer | Red | Green Red | ||
| Autumn | Red | Green Red | ||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Polygonaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Genus
Persicaria can be annuals, herbaceous or evergreen perennials or sub-shrubs with simple leaves and small bell-shaped white or pink flowers in long-lasting spikes or panicles
- Name status
Accepted
How to grow
Cultivation
Grow in moisture-retentive but well-drained soil in full sun or partial shade
Propagation
Propagate by division in spring or autumn
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Flower borders and beds
Pruning
Cut back old, flowered stems to the ground in autumn
Pests
Generally pest-free but may be susceptible to slugs and snails
Diseases
Generally disease-free
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