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Pierce County Master Gardener

Fire-Wise

Tip Sheet

Fire-Resistant Choices for your landscape

Wildfire Preparedness spirit mark with black type

Thoughtful landscaping around the home is essential for reducing risk in the event of a wildland fire. Regular watering and maintenance of your landscape helps create and sustain defensible space around your property.

Although all plants can burn under the right conditions, some are more FIRE-PRONE than others, while some are considered more FIRE-RESISTANT. Incorporating fire-resistant vegetation, along with proper maintenance, is key to reducing the risk of home loss.

Burning tree throwing flaming embers onto a home

How Wildfire Threatens Homes

Wildfire can impact homes in three primary ways:

  • Direct Contact with Flames
  • Radiant Heat
  • Embers

Burning embers pose the greatest risk. They can be carried high into the air and travel more than a mile ahead of the main fire. When embers land in easily ignitable materials, they can quickly start new fires. Homeowners can significantly reduce their risk through thoughtful landscaping choices and consistent property maintenance.

General Maintenance Recommendations

Regular upkeep is essential for reducing wildfire risk. Key practices include:

  • Cleaning roofs and gutters to remove leaves and debris
  • Watering plants located near the home
  • Raking and removing dry leaves, pine needles, and other debris
  • Pruning trees and shrubs to maintain healthy spacing

General Landscaping Guidelines

Firewise landscaping focuses on creating defensible space and reducing fuel sources around the home. Consider the following:

  • Maintain appropriate plant height and spacing
  • Incorporate hardscape features such as patios and walkways to serve as firebreaks
  • Prevent “ladder fuels” by removing lower branches and spacing vegetation vertically
  • Select fire-resistant plants appropriate for each zone around the home.

Plant Selection by Fire Zones

Plant selection is a key part of fire-resistant landscaping. Choose plants with fire-resistant characteristics:

  • High moisture content in leaves for slower ignition
  • Minimal dead or dry material buildup
  • Open branching structure
  • Low plant density (fewer leaves and branches)
  • Slow growth habits requiring less maintenance
  • Non-resinous plant material
  • Avoidance of highly flammable species such as juniper, pine, spruce, fir, and arborvitae
Arial view of home with road and three planting zones defined

Immediate Zone (0-5 feet from structures)

Rock cress with purple flowers

Rock Cress

Aubrieta deltoidea
Hens and Chick plant

Hens & Chick

Sempervivum
Kinnikinnick ground cover

Kinnikinnick

Arctostaphylos uva-ursi
  • Low growing under 2 feet
  • Non-woody stems & broad leaves
  • High moisture content
  • Non-resinous material
  • Inorganic mulches

Intermediate Zone (5-30 feet from structures)

Rhododendron in flower

Rhododendron

Rhododendron
Red Currant shrub

Red Currant

Ribes rubrum
Snowberry tree

Snowberry

Symphoricarp albus
  • Maximum plant height of 8 feet
  • Low plant density
  • Slow growing
  • High moisture content
  • Inorganic fuel breaks

Extended Zone (30-100 feet from structures)

Maple tree

Maple

Acer palmatum
Serviceberry bush

Serviceberry

Amelanchier alnifolia
Smoke tree

Smoke Tree

Cotinus coggygria
  • No height restriction
  • Open branching structure
  • Deciduous trees
  • Low and moderately flammable plants
Alert signal

Key Reminder

No plant is completely fireproof. Proper placement, spacing, and regular maintenance are just as important as plant selection. Check with your local garden center to ensure plants are appropriate for your microclimate.

Print version of this Tip Sheet

Print Version of this Tip Sheet


Resources for Understanding Wildfire Threat

National Fire Protection Association Videos:

  • Protecting Your Home (#1: 10 minutes)
    Watch
  • Protecting Your Home (#2: 9 minutes)
    Watch
  • Your Home can Survive a Wildfire (13 minutes)
    Watch

Fire Wise USA:

Washington State Department of Natural Resources:

Washington State Fire Adapted Communities Learning Network: