The Temperate Database is in the process of being updated, with new records being added and old ones being checked and brought up to date where necessary. This record has not yet been checked and updated.
Common Name: Porcupine Grass
Triodia irritans is a perennial plant that can grow up to 0.30 metres tall.
It has uses.
Australia - South Australia, New South Wales, Victoria.
Dry inland areas[
]. Sandplains and rocky hillsides in red/grey sandy soils[
We have very little information on this species and do not know if it will be hardy outdoors in Britain. However, it is hardy to about -7°c in Australian gardens[
], though this cannot be applied directly to British gardens due to our cooler summers and longer, colder, wetter winters[
]. The following notes are based on the general needs of the genus.