Queensland Blue Grass

Queensland Blue Grass

Scientific name Dichanthium sericeum Common name(s) Qld Blue grass
Silky blue grass
Synonym(s) Andropogon acutiusculus
Andropogon affinis
Andropogon chrysatherus
Andropogon sericeus
Dichanthium acutiusculum
Dichanthium affine
Dichanthium racemonsum
Dichanthium sericeum
Sorgum acutiuscuhum
Andropogon annulatus
Varieties
Description

Queensland Bluegrass is a leafy upright tufted perennial grass. I also has a strong capacity to root at nodes and to spread laterally by this method. The stems and leaves have a distinctive blue-green appearance. It flowers in summer and the seed heads are similar in appearance to Red grass and have a distinctive silky feel. They are very hairy junctions on the stem of the inflorescence.

Tolerance Moderate frost tolerance
High drought tolerance
High heat tolerance
High grazing tolerance
Sowing

The seed is supplied in floret and pelletised forms. The seed will germinate only under warm conditions. Seed can be sown from spring to early autumn. Late autumn seedlings can be damaged by frost. Sow seed on or close to the surgace (approximately mm and no deeper than 10mm) and keep the soil moist. Seed sown on the surgace may dry out and not germinate.

Sowing rate Sow at a rate of 5 to 10 kg per hectare for revegetation
Sow at a rate of 5 to 10 kg per hectare for pasture
Uses Revegetation
Pasture
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Distribution map of Queensland blue grass (Dichanthium sericeum)

Distribution of Queensland blue grass
Queensland blue grass grows in all states of Australia, but it grows principally in northern Australia, especially in association with Mitchell grass in Queensland and with some of the arid zone grasses such as lemon-scented grass. It is dominant in warmer grasslands and woodlands in areas with predominately summer rainfall. it also grows in many other locations across Australia, but is more scattered and prefers warmer, drier sties. It is adapted to a broad range of climatic types and soils.

Queensland blue grass habit

Queensland blue grass (Dichanthium sericeum)

Queensland blue grass floret

Queensland blue grass (Dichanthium sericeum)

Queensland blue grass as pasture

Queensland blue grass (Dichanthium sericeum)