Oak Root Fungus Resistant Plants...
A Quick Note:
Armillaria mellea, known as Oak root fungus, Shoestring Fungus, and Honey Mushroom, is present throughout the western states. Often it is found infecting our native oaks. It causes little or no damage to the plant until the tree becomes stressed from drought, over watering, insect damage, or physical damage. This capitalistic fungus takes advantage of the lowered defenses of the tree and can cause a quick death. To prevent this fungus from attacking your garden, we discourage changing your gardening practices under any oak. If your oak has been gardened under for years, continue that practice. If your oak has barren soil under it, leave it that way or use plants from the list below that require minimal amounts of water. Below is a list of plants that are highly resistant, moderately resistant, and susceptible to this fungus. Use this list when working in affected gardens.

Page1 | Page 2 | Page 3

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

 

Page1 | Page 2 | Page 3 | Top of Page

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

 

Page1 | Page 2 | Page 3 | Top of Page

Susceptible

Acacia floribunda
~Sydey Wattle
Arbutis unedo
~Strawberry Tree
Betula pendula
~European White Birch
Buddleia
~Butterflybush
Callistemon viminalis
~Bottle-brush
Carpinus
~Hornbeam
Caryopteris
~Blue Mist
Casuarina stricta
~She Oak
Ceanothus
~Wild Lilac
Cercis canadensis
~Eastern Redbud
Cistus
~Rockrose
Coprosma repens
~Mirror Shrub
Cotoneaster
Cytisus
~Broom
Deutzia
~Sky Flower
Erica herbacea
~Mediterranean Heather
Escallonia
Eucalyptus (most species)
~Gum

Euphorbia
~Poinsettia
Fagus
~European Beech
Fremontodendron
~Flannel Bush
Hebe odora
~Boxleaf Veronica
Heteromeles arbutifolia
~Toyon
Hydrangea
Laburnum
~Golden Chain Tree
Melaleuca leucadendron
~Cajeput Tree
Myrtus communis 'Variegata'
~Variegated Myrtle
Picea pungens
~Colorado Blue Spruce
Prunus laurocerasus
~English Laurel
Pyracantha angustifolia
~Firethorn
Pyracantha crenulata
~Firethorn
Quercus dumosa
~Scrub Oak
Quercus virginiana
~Southern Live Oak
Rhus
~Sumac
Schinus
~Pepper Tree
Syringa vulgaris
~Lilac
Viburnum
Weigela


Top Of Page
Garden Home |
Christmas Home