Marin County
University of California
Marin County

Fire Safe Planting in Marin and Sonoma County

The short version of the story is this:  There are very few plants that are “fire safe”.  Most plants have some woody structure, and wood burns.  There is such a thing as fire-safe landscaping. 

Fire safe landscaping is primarily a function of how the landscape is designed, and how it is maintained.  Plant species selection is a relatively minor component.

Click HERE for more information on Defensible space, fire safe landscaping, and fire hazard reduction.

Links:     Fire Safe Marin     Fire Safe Sonoma

Untended oaks with low canopies and ladder fuels burning on a dry hillside. (Photo Credit: Kent Julin, Marin County Fire)
Untended oaks with low canopies and ladder fuels burning on a dry hillside. (Photo Credit: Kent Julin, Marin County Fire)
There are some plants that are basically made to burn: they are adapted to environments where fires are routine, and they depend on these fires for regeneration and reducing competition from other plants.  They do this by burning fiercely when ignited, and generally ignite easily.  Greasewood, chemise, knobcone pine, and some eucalyptus species are all good examples of this.  These plants should generally not be part of a landscape plan that includes fire safety.

There are a few plants that are “fire safe”.  However, not everyone is willing to live in a landscape populated solely with Aloe vera, chard, and snapdragons.  And even plants that we routinely think of as “fire safe” can burn if not cared for properly.  Even iceplant.

In some instances, a “fire safe plant list” may give property owners a false sense of security.  Homeowners who believe that their properties are “fire safe” due to the species they’ve selected may be less worried about maintaining their landscapes.  Why worry, right?  Every plant on the property is from a “fire safe” plant list!

Most of us are familiar with the coast live oak.  The species is almost as associated with California as the redwood tree.  Most fire-safe plant lists list coast live oak as fire safe.  And yet a neglected coast live oak, with lots of interior deadwood and a canopy that grows all the way to the ground, can be a giant torch waiting to ignite.  That same tree CAN be very fire safe if it has adequate access to water, has a canopy trimmed up off of the ground, and has few dead twigs in the canopy.  Maintenance and design, not species selection, is the key.

For more information on designing fire-safe landscapes, please see Home Landscaping for Fire

Other helpful information:

Post Fire Restoration - "Do's and Dont's

Soil Quality Resource Concern-Hydrophobicity



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