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Number of LESS FIREWISE results: 0

Characteristics that best describe your plant


  • There are no "fireproof" plants and all plants will burn in extreme fire-weather conditions
  • The moisture content of leaves is a major factor to how easily a plant is going to burn
  • The location and arrangment of plants has a significant effect on reducing bushfire risk within your garden
  • During summer as soil dries out, the moisture content of plants will decrease and thier flammability will increase.


This Plant Selection Key is based on Behm AL, Long AJ, Monroe MC, Randall CK, Zipperer WC, Hermansen_Baez LA (2004) Fire in the Wildland-Urban Interface: Preparing a Firewise Plant List for WUI Residents. Circular 1453, School of Forest Resources and Conservation, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida.

Address: Southern Center for Wildland-Urban Interface Research and Information, 408 W. University Ave., Suite 306, USDA Forest Service, Gainesville, FL 32601. email (ahermansen@fs.fed.us) or fax (352-376-4536).


The Plant Selection Key has been customised to better suit Australian conditions and is intended to provide an indication of plant flammability. The flammability of plants is highly variable and in periods of drought or in the path of an oncoming bushfire, plants will dry out and become highly flammable. If there is uncertainty about the results this key produces, seek professional advice from a plant specialist.


Defendable space is an area of land around a building where vegetation is modified and managed to reduce the effects of flame contact and radiant heat associated with bushfire. It breaks up continuity and reduces the amount of fuel available to a bushfire.

It is one of the most important aspects of preparing properties for bushfire. This is because defendable space separates the bushfire hazard and the house. The greater the separation from the bushfire hazard, the lower the risk.

Defendable space can prevent direct flame contact and minimise the effects of radiant heat on the house. This reduces the risk of house loss during a bushfire, regardless of active defence.

Defendable space:

  • comprises an inner and outer zone with different vegetation management requirements
  • needs careful garden design that considers the location of all flammable objects
  • requires regular maintenance that should be included as part of every Bushfire Survival Plan.

Requirements for defendable space will vary depending on the type of development and the level of bushfire risk to a property. Section 4 of the Landscaping for bushfire - large file pdf 3086k | Landscaping for bushfire (complete version) - doc 179k provides further detail about defendable space requirements.

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