Oak root fungus resilient plant list - Knowledgebase Question

Santa Monica, CA
Question by frank80
September 20, 2005
do you have a list of plant material that is resilient to the oak root fungus (armillaria), preferably that is suitable for southern california?


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Answer from NGA
September 20, 2005

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Here's a list of both highly resistant and moderately resistant plants:

Highly Resistant:
Abies concolor
~Colorado, White Fir
Acacia mearnsii
~Black Wattle
Acacia longifolia
~Golden Wattle
Acacia verticillata
~Prickly Moses
Acer ginnala
~Amur Maple
Acer macrophyllum
~Big Leaf Maple
Acer palmatum
~Japanese Maple
Arbutus menziesii
~Madrone
Berberis
~Barberry
Brugmansia
~Angel Trumpet
Buxus
~Boxwood
Callicarpa japonica
~Beauty-berry
Calycanthus occidentalis
~Western Spice Bush
Carpenteria californica
~Bush Anemone
Celtis
~Hackberry
Ceratonia siliqua
~Carob
Cercis occidentalis
~California Red Bud
Chaenomeles
~Flowering Quince
Cotinus
~Smoke Tree
Cryptomeria
~Japanese cerdar
Cupaniopsis anacardioides
~Carrotwood
Cupressocyparis leylandii
~Leyland Cypress
Cupressus arizonica
~Arizona Cypress
Elaeagnus angustifolia
~Russian Olive
Erica
~Heath
Eucalyptus camaldulensis
~Red Gum
Eucalyptus cinerea
~Dollar-leaf Gum
Eucalyptus grandis
~Rose Gum
Fraxinus
~Ash
Geijera parviflora
~Australian Willow
Gingko biloba
~Maidenhair Tree
Gleditsia triacanthos
~Locust
Gymnocladus dioica
~Kentucky Coffee Tree
Hibiscus syriacus
~Rose of Sharon
Ilex
~Holly
Jacaranda
Lagerstroemia amabilis
~Crape Myrtle
Liquidambar
~Sweet Gum
Liriodendron
~Tulip Tree
Lonicera
~Honeysuckle
Magnolia grandiflora
~Southern Magnolia
Mahonia
Malus
~Apple, Crabapple
Maytenus boaria
~Mayten Tree
Melaleuca styphelioides
~Paperbark
Metasequoia
~Dawn Redwood
Myrica
~Bayberry
Nandina
~Heavenly Bamboo
Persea
~Avocado
Phellodendron
~Cork Tree
Phlomis
~Jerusaleam Sage
Pinus (most species)
~Pinus
Pistacia chinensis
~Chinese Pistache
Pittosporum rhombifolium
~Queensland Pittosporum
Prunus
~Cherry
Quercus ilex
~Holly Oak
Quercus lobata
~Valley Oak, California Oak
Rhus
~Sumac
Sambucus canadensis
~Sweet Elder
Sapium
~Chinese Tallow
Sequoia sempervirens
~Coast Redwood
Sophora japonica
~Japanese Pagoda Tree
Ulmus parvifolia
~Evergreen Chinese Elm
Vitex
~Chaste Tree
Wisteria

Moderately Resistant:

Abelia grandiflora
~Glossy Abelia
Acer negundo
~Boxelder
Albizia
~Silk tree
Berberis darwinii
~Darwin Barberry
Berberis thunbergii
~Japanese Barberry
Chamaecyparis lawsoniana
~Lawson Cypress
Crataegus phaenopyrum
~Washington Hawthorn
Dodonea
~Hopseed Bush
Elaeagnus commutata
~Silverberry
Eucalyptus polyanthemos
Eucalyptus pulchella
Euonymus japonica
~Japanese Euonymus
Grevillea robusta
~Silk Oak
Hebe
Iochroma cyaneum
~Purple Tobacco
Jacaranda acutifolia
Koelreuteria paniculata
~Golden Raintree
Lagerstroemia indica
~Crape Myrtle
Ligustrum japonicum
~Waxleaf Privet
Melaleuca linariifolia
~Flax-Leaf Paperbark
Myrtus communis
~Myrtle
Nerium oleander
~Oleander
Picea abies
~Norway Spruce
Pittosporum tobira
Pyracantha coccinea
~Firethorn
Pyracantha crenulata
~Firethorn
Quercus chysolepis
~Canyon Live Oak
Sequoiadendron giganteum
~Giant Redwood
Spirea prunifolia
~Bridal Wreath
Wisteria macrostachya
~Wisteria

You'll find complete descriptions of these plants in Sunset Western Garden Book (available in libraries and most garden centers).

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