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Native Plants Resistant to Oak Root Fungus
Following is a list of native trees and shrubs considered resistant to Armillarea mellea, Oak Root Fungus. Smaller perennials do not appear to be affected by this fungus. It should be noted that this fungus is a natural, native component of much of the soil in California, with a very diverse flora thriving alongside it. When this organism becomes a problem in a garden setting, it is typically related to a heavy watering regimen, which is unnecessary for most natives, and acts as a strong ‘fertilizer’ for fungal growth, particularly in hot weather. Gardeners struggling with problems related to Oak Root Fungus should examine their watering schedules, and water the minimum amount necessary. Doing so should limit fungal growth to an extent that many less resistant plants will still thrive.
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| Acer macrophyllum
| Big Leaf Maple
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| Juglans californica var. hindsii
| Northern California Black Walnut
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| Pinus sp.
| Pine
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| Quercus lobata
| Valley Oak
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| Sequoia sempervirens
| Coast Redwood
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| Umbellularia californica
| Bay Laurel
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| Berberis sp. | Oregon Grape
| | Carpenteria californica | Bush Anemone
| | Ceanothus sp. | Wild Lilac
| | Cercis occidentalis | Western Redbud
| | Myrica californica | Wax Myrtle
| | Rhus integrifolia | Lemonade Berry
| | Rhus ovata | Sugar Bush
| | Prunus ilicifolia | Holly-Leaf Cherry
| | Prunus ilicifolia ssp. lyonii | Catalina Cherry
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| Calycanthus occidentalis | Spice Bush
| | Lonicera involucrata | Twinberry
| | Philadelphus lewisii | Mock Orange
| | Sambucus mexicana | Blue Elderberry
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