|Scientific name||Astrebla lappacea||Common name(s)||Mitchell Grass|
|Varieties||Yanda Curly Mitchell grass (Astrebla lappacea)
Barley mitchell grass (Astrebla pectinata)
There are several species of Mitchell grass, two of the most common being Curly Mitchell grass and Barley Mitchell grass. Curly Mitchell grass is a dense tufted perennial which grows in summer. It is long lived (20-30 years), very deep rooted and grows 30-90 cm high. When in flower, Mitchell grass has a spiked flowerhead 5-30 cm long with spikelets arranged in two regular rows, one each side.
Low tolerance to flooding
|Soil||Mitchell grass grows on floodplains with grey self mulching clay soils. It also grows on the brown and grey clay cracking soils as well as red alkaline clays. It is sometimes found on desert loams.|
For optimum germination and growth, temperatures between 25°C and 35°C are required. The best times to sow are in September to October or in late January. To germinate and grow well, it requires follow-up rain at about six weeks. It grows best in warm, wet conditions.
|Sowing rate||Sow florets at a rate of 1 -2 kg per hectare for pasture|
Revegetation and land rehabilitation
Mitchell grass distribution
Mitchell grass is found in the arid and semi-arid areas of inland Australia in areas which receive an annual rainfall of between 250 to 550mm. It occurs naturally in the downs and rangelands in north-western NSW, and in NT, SA, WA and north and west Queensland. Broken Hill is its most southerly limit. It is commonly found on the floodplains of the upper Darling River and its tributaries.