Pacific Northwest Plant Disease Management Handbook

Plants Resistant or Susceptible to Armillaria Root Rot

Plants Resistant or Susceptible to Armillaria Root Rot
Resistant	Susceptible
Trees
incense cedar	all pines
	arborvitae
larch	cedar
Scots pine	Douglas-fir
	hemlock
	juniper
	ponderosa pine
	western redcedar
	white fir
bigleaf maple	aspen
catalpa	birch
Japanese maple	cotoneaster
Japanese pagoda tree	cottonwood
locust	cherry laurel
madrone	crabapple
mulberry	dogwood
tulip tree
shademaster locust	golden chain tree
sweet gum	oak
sycamore	tanoak
Shrubs
Chinese wisteria	euonymus
English holly	fuchsia
English ivy	heather
mock orange	hibiscus
St. Johnswort (Hypericum patulum)	hydrangea
sumac	lilac
	privet
	rhododendron
Flowers
	geranium
	poinsettia
	rose
Fruit
fig	apricot
pear ‘Callery,’ ‘French,’ ‘OH x F’	blackberry
pecan	grape
plum ‘Marianna’	mahaleb cherry
plum ‘Marianna’	raspberry
	strawberry
	walnut
Reference Raabe, R.D. 1979. Resistance or Susceptibility of Certain Plants to Armillaria Root Rot. University of California Leaflet 2591.

Pscheidt, J.W., and Ocamb, C.M. (Senior Eds.). 2021 Pacific Northwest Plant Disease Management Handbook.
© Oregon State University.

Use pesticides safely!

Wear protective clothing and safety devices as recommended on the label. Bathe or shower after each use.
Read the pesticide label—even if you’ve used the pesticide before. Follow closely the instructions on the label (and any other directions you have).
Be cautious when you apply pesticides. Know your legal responsibility as a pesticide applicator. You may be liable for injury or damage resulting from pesticide use.

Trade-name products and services are mentioned as illustrations only. This does not mean that the participating Extension Services endorse these products and services or that they intend to discriminate against products and services not mentioned.

H - Homeowner packaging commonly available. O - Acceptable in organic production.