fire resistant landscaping it makes a difference · 2019. 1. 10. · the basics of fire resistant...
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Fire Resistant LandscapingIt makes a Difference
But all plants will burn
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The Basics of Fire Resistant Landscaping
ü Implement DEFENSIBLE SPACE.ü Remove DEAD or DYING vegetation.ü Break up CONTINUOUS
vegetation.ü Eliminate LADDER FUELS.ü 30’ around house is LEAN (less fuel
load) and GREEN (watered where appropriate).
ü Keep up with regular MAINTENANCE!!
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5’ non-combustible zone around house foundation
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Don’t put foundation plantings under windows
(or have them at all)
Forget about window boxes
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Use Landscape Mosaics
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Consider Zones• Consider water
needs and fire safety as you plan/revitalize your landscape
• High water zone - “Oasis” closest to home
• Moderate water zone (i.e. lawn as buffer, noncombustible paths & driveway)
• Drought-tolerant plant zone furthest from house
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Choosing Plants
• Realize that plants are NOT fire-retardant; they can be fire-resistive. Every plant will burn.
• Know your elevation and microclimate when making your plant selection. Healthy plants fare better.
• Irrigation and maintenance are key factors in your choice of landscape plants. Dried up plants are just fuel!
• Replace or eliminate flammable plants
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Characteristics of Fire Resistant Plants
• Moist & supple leaves• Tend not to accumulate dry, dead material
within plant• Sap is water-like and does not have a strong
odor• Sap or resin materials are low• Influenced by plant age, moisture content,
total volume
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Fire Resistant Trees
• Fruit Trees• Maple• Oak• Catalpa• Ash• Sweetgum• Locust• Hackberry• Smoke Tree• Redbud
Use deciduous trees, not conifers
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Fire Resistant Shrubs & Vines
• Chokecherry• Barberry• Butterfly Bush• Spirea• Rose of Sharon• Oregon Grape• Lilac• Flowering Quince• Forsythia• Potentilla• Mock Orange
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Fire Resistant Groundcovers
• Bugleweed (ajuga)• Creeping thyme or
phlox• Wild Strawberry• Snow-in-summer• Sedums• Hens & Chicks• Vinca
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Avoid Highly Flammable Plants
• They contain fine, dry or dead material
• Contain volatile waxes, terpenes or oils
• Have aromatic leaves• Loose or papery bark• Sap is gummy,
resinous
Examples: Artemisia, incense cedar, broom, juniper, pine, arborvitae, bay, Douglas Fir, manzanita, CA buckwheat, rosemary, dry annual grasses
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Landscape Layout to Help Firefighters
What if “evacuators” and strike teams & arrive in the dark?
ü Have good address signage
ü Adequate clearance & turn-around space for large vehicles
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More Considerations
ü Follow guidelines that propane tanks and wood sheds are a minimum of 30’ away from the house, add noncombustible zone
ü Don’t “disguise” propane tanks with fence or vegetation
ü Mark firefighting water supplies with blue reflective dots
ü Recognize that PVC faucets will melt, may drain water supplies
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Time for Exterior Prepü Move combustible
material away from house & deck (lawn furniture, firewood, etc)
ü Attach hoses to spigots
ü Fill buckets with water & place around home
ü Place ladder against house
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Fire is Coming – Time to Leave
ü Implement evacuation plan
ü Have a list & box of valuables
ü Close & latch windows, remove flammable window coverings, close metal blinds
ü Close interior doorsü Turn on lightsü Shut off propane
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Stay FireSafe
• Questions?• Next up –
community fuel reduction projects