How to incorporate Firewise shrubs into your landscape: • Select the “right plant for the right place,” by choosing plants that are well adapted to the specific conditions where they are to be planted. Also consider the shrub’s flammability characteristics. • Highly flammable shrubs should be planted beyond the defensible space, 30 feet or more from the house. • Moderately flammable shrubs may be planted in isolated landscape beds within the defensible space, at least 15 feet from the house. • Low flammability shrubs can be planted within the defensible space, 6 feet or more from the house. • Conduct routine landscape maintenance, such as pruning shrubs, to maintain vertical and horizontal separation from other plants. High Flammability Plant these shrubs 30 feet or more away from the house. Maintain them regularly. Chinese juniper Juniperus chinensis J. S. Peterson Mountain laurel Kalmia latifolia Ted Bodner Dwarf yaupon Ilex vomitoria Ted Bodner Gallberry Ilex glabra Ted Bodner Moderate Flammability Use cautiously in isolated landscape beds within the defensible space, 15 feet or more from the house. Quick Guide to Shrubs Firewise • Periodically remove dead or diseased plant material from plants within your home landscape. • Remember, there are no “fireproof” plants. All plants and organic mulches burn in extreme weather or fire conditions. Azalea Azalea obtusum Eurico Zimbres Ashe juniper Juniperus ashei Joseph A. Marcus Blue holly Ilex x meservea Missouri Botanical Garden Glossy abelia Abelia x grandiflora Wouter Hagens Boxwood Buxus microphylla var. koreana Sten Porse Leyland cypress Cupressocyparis leylandii Kurt Stueber Pipestem Agarista populifolia J. S. Peterson Rhododendron Rhododendron x chionoides Boris Bauer Did you know you can select shrubs based on their flammability? Researchers at the USDA Forest Service, University of Florida, and the National Institute of Standards and Technology have developed flammability categories to indicate how easily and intensely a shrub will burn.
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How to incorporate Firewise shrubs into your landscape:• Select the “right plant for the right place,” by choosing plants that are well adapted to the specifi c conditions where they
are to be planted. Also consider the shrub’s fl ammability characteristics.
• Highly fl ammable shrubs should be planted beyond the defensible space, 30 feet or more from the house.
• Moderately fl ammable shrubs may be planted in isolated landscape beds within the defensible space, at least 15 feet from the house.
• Low fl ammability shrubs can be planted within the defensible space, 6 feet or more from the house.
• Conduct routine landscape maintenance, such as pruning shrubs, to maintain vertical and horizontal separation from other plants.
High FlammabilityPlant these shrubs 30 feet or more away from the house. Maintain them regularly.
Chinese juniperJuniperus chinensis
J. S
. Pet
erso
n
Mountain laurelKalmia latifolia
Ted
Bod
ner
Dwarf yauponIlex vomitoria
Ted
Bod
ner
GallberryIlex glabra
Ted
Bod
ner
Moderate FlammabilityUse cautiously in isolated landscape beds within the defensible space, 15 feet or more from the house.
Quick Guide to ShrubsFirewise
• Periodically remove dead or diseased plant material from plants within your home landscape.
• Remember, there are no “fi reproof” plants. All plants and organic mulches burn in extreme weather or fi re conditions.
Azalea Azalea obtusum
Eur
ico
Zim
bre
s
Ashe juniperJuniperus ashei
Jose
ph
A. M
arcu
s
Blue holly Ilex x meservea
Mis
sour
i Bot
anic
al G
ard
en
Glossy abelia Abelia x grandifl ora
Wou
ter
Hag
ens
Boxwood Buxus microphylla var. koreana
Ste
n P
orse
Leyland cypress Cupressocyparis leylandii
Kur
t Stu
eber
Pipestem Agarista populifolia
J. S
. Pet
erso
n
RhododendronRhododendron x chionoides
Bor
is B
auer
Did you know you can select shrubs
based on their fl ammability?
Researchers at the USDA Forest Service, University of Florida, and the National Institute of Standards
and Technology have developed fl ammability categories
to indicate how easily and intensely a shrub will burn.
Additional Resources• For more information on Firewise shrubs, see “Selecting and Maintaining Firewise Plants for Landscaping”at
www.interfacesouth.org/products/fact_sheets/Selecting_Firewise_Shrubs.pdf
• To estimate the fl ammability of shrub and other plant species not shown here, see “Preparing a Firewise Plant List for WUI Residents” at www.interfacesouth.org/products/fact_sheets/Preparing_Firewise_Plant_List.pdf or www.interfacesouth.org/products/fl ammability_key.html
• For Firewise landscaping tips, see www.interfacesouth.org/products/fact_sheets/Selecting_Maintaining_Firewise_Plants_Landscaping.pdf and www.interfacesouth.org/products/fact_sheets/Reducing_Wildfi re_Risk.pdf
Low FlammabilityShrubs suitable for planting within the defensible space; plant 6 feet or more from the house.
For more information, contact Annie Hermansen-Baez
of the USDA Forest Service, Southern Research Station at
[email protected], (352) 376-3271.
Also visit: www.interfacesouth.org/products/research.html
The photographs in this fact sheet were gathered from various sources. All copyrighted photographs in this publication were used with the permission of the photographers. Shrubs are listed in alphabetical order and not by their intensity of fl ammablity within each category.
Butterfl y bushBuddleia davidi
R. a
nd E
. Cha
mb
ers
Camellia Camellia japonica
Gar
y C
oop
er
Oakleaf hydrangea Hydrangea quercifolia
J.S
. Pet
erso
n
GardeniaGardenia jasminoides
Gl e
nn K
o pp
Rosebay Rhododendron maximum
Wi l l
i am
S. J
usti c
e
Sweet pepperbushClethra alnifolia
Ted
Bod
ner
PittosporumPittosporum tobira
Ken
pei
CoontieZamia pumila
Wik
iped
ia
Bigleaf hydrangea Hydrangea macrophylla
Kur
t Stu
eber
Winterberry Ilex verticillata
Ste
fan
Blo
odw
orth
ArrowwoodViburnum dentanum
C. a
nd L
. Lou
ghm
iller
Klein’s forsythiaForsythia x intermedia
Wik
iped
ia
Weigela Weigela fl orida
Op
iola
Jer
zy
Bayberry Myrica pennsylvanica
Mis
sour
i Bot
anic
al G
ard
en
Shrubby cinquefoil Potentilla fruiticosa
W. D
. Bra
nsfo
rd
Scarlet fi rethorn Pyracantha coccinea
Wik
iped
ia
BeautyberryCallicarpa dichotoma
Ted
Bod
ner
Oleander Nerium oleander
Gar
y C
oop
er
Adam’s needle Yucca fi lamentosa
Ted
Bod
ner
Foster holly Ilex x attenuata
Mis
sour
i Bot
anic
al G
ard
en
Anisetree Illicium fl oridanum
Ted
Bod
ner
Walter’s viburnum Viburnum obovatum
Chr
is E
vans
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