Firewise landscape.

Firewise Landscapes

Firewise Plant Materials

There are many beautiful kinds of Firewise plants to choose from.

There are many beautiful types of Firewise plants to choose from.

Plant materials are the living vegetation in your landscape, both native and introduced. The term Firewise plant materials indicate plants that are less flammable than others. In the figure below you will see different types of plants and where they rank on a more to less fire resistance spectrum.

All plants will burn if conditions are right. Plant condition is more important than species. Depending on growth form and access to water and nutrients, the same species may be slow to ignite in one environment and highly combustible in another.

Plant types and fire resistanceMore fire resistant plants share characteristics. They often:

  • have a higher moisture content in their leaves.
  • have little seasonal buildup of dead vegetation.
  • have low, compact growth form.
  • are high in soap or salt content.
  • have green stems.
  • are drought tolerant

Less fire resistant plants typically share one or more of the following characteristics. They often:

  • are water-stressed.
  • accumulate fine, twiggy, dry, or dead material.
  • are evergreen.
  • have stiff, leathery, small, or fine, lacy leaves.
  • have loose or papery bark.
  • will flame (not smolder) when preheated and ignited with a match.
  • retain low-growing branches even as they become shaded.

Many Firewise plant material lists are available on the Internet as well as from fire-focused agencies and organizations. No list is all-inclusive. Use the characteristics of Firewise plant materials, along with site characteristics such as slope, aspect, hardiness zone, and amount of precipitation, to choose plant materials suitable for your landscape.

Firewise plants cover the gamut from bulbs to succulents, trees and vines. If there is a plant in your landscape that is highly flammable and you are fond of, there is often a Firewise plant that is similar in shape and color that you can use to replace it with.

Slideshow of Firewise Plant suitable for the Inland West

(Use the i button to turn-on and read the captions.)

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