Scleranthus Biflorus
Scleranthus biflorus
Common Names: Cushion Plant, Knawel Mat
Family: Caryophyllaceae
Origin: New Zealand
Plant Type: Evergreen Groundcover
Overview
Scleranthus biflorus is a striking moss-like groundcover forming a tight, domed mat of vivid green foliage. Its cushiony texture and fine detail add sculptural contrast to rock gardens, walls, and modern landscapes.
Key Features
Foliage: Dense, minute bright-green leaves giving a moss-like appearance year-round.
Flowers / Fruit: Tiny inconspicuous greenish-white flowers in summer.
Form & Habit: Low, compact, mounding mat with a smooth, undulating surface.
Growth Rate: Moderate to slow.
Cultural & Ecological Value: Native New Zealand species valued for textural contrast; excellent for low-maintenance dry rock gardens.
Mature Size
| Attribute | Size |
|---|---|
| Height | 5–10 cm |
| Spread | 50–80 cm |
| Form | Compact mound |
Ideal Growing Conditions
| Requirement | Detail |
|---|---|
| Light | Full sun to light shade |
| Water | Low to moderate; prefers even moisture but dislikes waterlogging |
| Soil | Free-draining sandy or gritty soils |
| pH Range | Neutral to slightly acidic |
| Frost Tolerance | High; tolerates cold alpine conditions |
Landscaping & Garden Uses
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Ideal for rock gardens, gravel beds, or between pavers
-
Beautiful moss substitute for Japanese-style plantings
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Excellent edging or filler for retaining walls
-
Effective textural contrast in mixed native plantings
Care & Maintenance
Pruning: Light trim after flowering to maintain shape if needed.
Watering: Moderate during establishment; minimal once settled in. Avoid soggy soil.
Feeding: Not required in fertile soils; use low-phosphorus native fertiliser if growth slows.
Pests & Diseases: Generally pest- and disease-free.
Additional Tips
Avoid overly wet conditions—good drainage is essential. Slight slopes or raised beds help prevent rot in heavy soils.
Fun Fact / Botanical Insight
Although it looks like moss, Scleranthus biflorus is a true flowering plant. Its dense mounds can live for many years, slowly shaping themselves to contours of rocks or terrain.
Why Choose Scleranthus biflorus?
For gardens needing vibrant ground texture with minimal care, Scleranthus biflorus delivers a natural sculpted effect, staying lush and neat all year round.
Pot Size: These are our standard size in 7 cm square pots.
Pot Size:
Standard Pot = 7cm Square
Large Pot = 9cm Square
Extra Large Pot = 1.5L Round
Use this guide to see how many plants of your selected pot size fit into a half or full carton.
Standard Pot = 25 plants per Carton
Large Pot= 10 plants per Carton
Extra Large Pot = 5 plants per Carton
Urban- $16.55 per Carton Rural- $23.85 per Carton
Standard Pot = 50 plants per Carton
Large Pot= 25 plants per Carton
Extra Large Pot = 10 plants per Carton
Urban- $16.55 per Carton Rural- $23.85 per Carton
Product Size:
The photo next to the ruler shows an example of the plant for sale (cm's) to give an indication of the size. Please note that the photo is for reference only; the size and appearance of the plant may vary.
Please Note:
Shipping charge applies. Available for immediate dispatch only, while stocks last.