The top 10 fire retardant plants in this list are based on scientific evidence and suggestions from various articles.
See http://www.ozbreed.com.au/plant-turf-research.html for more information.
Please note that any plant can burn when exposed to enough flames and heat, it is just that some are less likely, or may take longer to ignite. For this reason you cannot rely on plant selection alone to stop bush fires, but it makes sense to use plants that generally delay in their ignition.
Tanika® Lomandra longifolia ‘LM300’ PBR
Improved, compact, fine leaf form
Nyalla® Lomandra longifolia ‘LM400’ PBR
Semi-compact blue- grey fine leaf
Katrinus Deluxe Lomandra longifolia ‘Katrinus Deluxe’ PBR
Improved semi- compact fine leaf form
Gold Velvet Anigozanthos hybrid ‘Gold Velvet’ PBR
Mid-sized Kangaroo Paw; yellow flowers
Amber Velvet Anigozanthos hybrid ‘Amber Velvet’ PBR
Mid-sized Kangaroo Paw; red/yellow flower
Regal Velvet Anigozanthos hybrid ‘Regal Velvet’ PBR
Mid-sized Kangaroo Paw; red/green flower
Ruby Velvet™ Anigozanthos hybrid
Mid-sized Kangaroo Paw; red flowers
Free Fall™ Casuarina glauca prostrate ‘CAS01’ PBR
Wide spreading ground cover
Queen Mum™ Agapanthus orientalis ‘PMN06’ PBR
Large white and blue dual coloured flowers
Cloudy Days Agapanthus orientalis ‘Cloudy Days’ PBR
Mid-sized; dual coloured flowers