Lomandra longifolia ‘Trojan’ (Mat Rush)
Lomandra ‘Trojan’ is a compact, evergreen Australian native grass valued for its fine foliage, toughness, and adaptability to a wide range of landscape conditions. It is widely used in both residential and commercial settings due to its low maintenance requirements and clean, structured appearance.
The plant forms dense clumps of narrow, strap-like green leaves with a soft, arching habit. Its foliage remains consistent year-round, providing reliable structure and texture in planting schemes.
Key Features
‘Trojan’ is known for its durability and ability to perform in challenging conditions, including drought, poor soils, and exposed sites. It maintains a neat form with minimal upkeep, making it suitable for large-scale plantings.
It is also tolerant of urban conditions and is commonly used in streetscapes, median strips, and commercial landscapes.
Subtle yellow flower spikes may appear during spring, though the plant is primarily grown for its foliage.
Growth Habit and Size
This variety grows as a dense, clumping grass with a compact, rounded form.
It typically reaches around 0.5 to 0.7 metres in height, with a spread of approximately 0.6 to 0.8 metres. Growth rate is moderate.
Care Requirements
Light
Performs best in full sun to partial shade. Full sun promotes denser growth.
Watering
Requires regular watering during establishment. Once established, it is highly drought tolerant.
Water sparingly, with occasional watering during extended dry periods.
Soil
Highly adaptable to a range of soil types, including sandy and clay soils, provided drainage is adequate.
Temperature and Climate
Suitable for a wide range of climates, including temperate, coastal, and inland regions. It tolerates heat, frost, wind, and humidity.
Maintenance
Very low maintenance. Occasional trimming or rejuvenation pruning can be done if required to refresh the plant.
Fertilising is generally not necessary but may support growth in poor soils.
Common Issues
Generally very hardy with few problems.
Poor drainage may lead to root issues.
Minimal pest or disease concerns.
Applications
Lomandra ‘Trojan’ is suitable for:
Mass planting
Borders and edging
Commercial landscaping
Roadside and streetscape planting
Coastal and exposed sites
Low-maintenance gardens
Its durability and uniform growth make it ideal for large-scale use.
Specification and Care Chart
| Attribute |
Details |
| Botanical Name |
Lomandra longifolia ‘Trojan’ |
| Common Name |
Trojan Mat Rush |
| Plant Type |
Evergreen grass-like perennial |
| Mature Height |
0.5 m to 0.7 m |
| Growth Habit |
Clumping, compact |
| Growth Rate |
Moderate |
| Light Conditions |
Full sun to partial shade |
| Direct Sunlight |
Preferred |
| Watering Frequency |
Very low once established |
| Soil Type |
Well-draining, highly adaptable |
| Drainage Requirement |
Essential |
| Temperature Range |
Temperate to inland |
| Frost Tolerance |
High |
| Drought Tolerance |
High |
| Maintenance Level |
Very low |
| Fertiliser |
Not required |
| Toxicity |
Not commonly regarded as toxic |
FAQ – Lomandra ‘Trojan’
Is it drought tolerant?
Yes, it is highly drought tolerant once established.
Does it need full sun?
It performs best in full sun but tolerates partial shade.
Is it suitable for mass planting?
Yes, it is commonly used in large-scale landscaping.
How often should it be watered?
Regular watering during establishment, then minimal watering.
Does it require pruning?
Very little maintenance; occasional trimming if needed.
How big does it grow?
Typically reaches 0.5 to 0.7 metres in height.