Scleranthus biflorus
two-flowered knawel
An unusual, hardy evergreen perennial producing a mound of small, spiky moss-like dark green leaves and inconspicious bronze flowers in the summer. Ideal for japanese gardens, ground cover or for filling in gaps in paving stones and rock crevices
Size
Ultimate height
Up to 10cmTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Bronze | Green | ||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H4Botanical details
- Family
- Caryophyllaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Clump forming
- Genus
A genus of compact, evergreen perennials forming a bright green mound of moss-like linear foliage and petal-less yellow-green flowers
- Name status
Correct
- Plant range
- Australia, New Zealand
How to grow
Cultivation
Grow in well-drained, sandy or loamy soil in full sun. Will not tolerate waterlogging or very hot, humid weather. Once established, will cope with light foot traffic well
Propagation
Propagate by division when the centre of the plant begins to die back with age
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Rock garden
- Low Maintenance
- Banks and slopes
- Flower borders and beds
- Garden edging
- Ground cover
Pruning
No pruning required but can be cut back annually to encourage fresh growth
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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