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Mexican feather grass

Mexican feather grass
Photo: Stan Shebs, licensed under CC BY-SA 3.0
Invasive Plant
Mexican feather grass
Nasella tenuissima

A fine-leaved perennial tussock grass is a popular ornamental grass in Europe.  In Australia, it has occasionally been planted when mistaken for a native Austrostipa. The leaves grow to 20 cm long but the finely branching seed heads are on stems up to 1 metre tall. Each seed has a sharp point and a long twisting awn enabling it to be carried on livestock, vehicles or hay. If Mexican feathergrass became established in SA it would invade native grasslands and compete with pastures, reducing their productivity as it is poor forage.

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Alternative Plants

Prostrate Rosemary
Photo: Delwyn Thomas
Alternative Plant Prostrate Rosemary
Rosmarinus officinalis 'Prostratus'
Climbing and Ground Cover Plants

A low growing or prostrate form of Rosemary to 0.4 m high with a mass of lilac-blue flowers from late summer, right through winter and into spring. An aromatic culinary herb and one of the most beautiful and useful ground-covers. It is perfect for mass planting on retaining walls and in garden beds, or as a specimen in a pot. Hardy, water wise and very well suited to coastal plantings.

Spiny mat rush
Photo: Nursery & Garden Industry South Australia
Alternative Plant Spiny mat rush
Lomandra longifolia 'Tanika' and other cultivars
An evergreen, improved compact fine leaf form of Lomandra growing 50-60cm high and 65cm across.  This low maintenance plant produces small yellow flowers from April to October.  It makes an attractive fresh green accent plant in mixed groupings with shrubs or other grasses, as a feature plant in open landscapes or planted en masse in borders or verges.  The rush attracts birds and butterflies.  Requires well-drained soils. 
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