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PlantFiles: Dwarf Mat Rush, Longleaf Matrush, Spiny Headed Matrush
Lomandra longifolia

Family: Lomandraceae
Genus: Lomandra (loh-MAN-druh) (Info)
Species: longifolia (lon-jee-FOH-lee-uh) (Info)


18-24 in. (45-60 cm)

36-48 in. (90-120 cm)

USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Light Shade


Bloom Color:

Bloom Time:
Late Spring/Early Summer


Other details:
Flowers are fragrant
This plant is suitable for growing indoors
Drought-tolerant; suitable for xeriscaping
Flowers are good for cutting
Suitable for growing in containers

Soil pH requirements:
4.5 or below (very acidic)
4.6 to 5.0 (highly acidic)
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
8.6 to 9.0 (strongly alkaline)
over 9.1 (very alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
By dividing the rootball

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

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1 positive
1 neutral
No negatives

Gardeners' Notes:

Positive conjola On Dec 5, 2004, conjola from Conjola Park
Australia wrote:

On warm summer days the flowers have a strong fragrance, will grow in almost any soil and aspect, Narrow strap like leaves will arch over rocks or hide ugly concrete edges of water features.
Can be propagated by seed as well as dividing root ball. Plant is suitable for poorly drained areas, heavy shade, frost hardy to -7 degree C, can be used as a rockery plant to trail or spread over rock, will reach more than 50cm high. Can be used as a indoor plant or in tropical areas. Grows to about 60-70cm high and spreads to about 1 metre

Neutral kennedyh On Oct 28, 2003, kennedyh from Churchill, Victoria
Australia (Zone 10a) wrote:

Spiny-headed Mat-rush is a common plant of forests and heaths in eastern Australia. It looks mostly like a coarse grass or sedge, but in the spring produces quite pretty spikes of tiny flowers containing sweet nectar. On this species the flower spikes contain spiny bracts at the base of each flower cluster. The name Mat-rush, comes from the popularity of the leaves of this plant for weaving mats and baskets. The leaves are very even in width, which makes them very suitable for weaving. The Ganai people use this plant in many other ways, besides weaving with them. The leaves were pulled and the white base of the leaf was eaten. The flowers were also eated and a sweet drink was made by soaking the flowers in water.
The plants are often used in gardens of native plants and are easily increased by dividing the clumps. I recently collected some seed and will report how easy they are to germinate later.


This plant has been said to grow in the following regions:

Mobile, Alabama
Alpine, California
San Francisco, California
Pawleys Island, South Carolina
Austin, Texas
Sugar Land, Texas

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