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Mountain Ash

Sorbus poteriifolia

Rosaceae · broadleaf · introduced

Quick Facts

Height
9 ft
Light
Full Sun to Part Shade
Hardiness
Zone Zones 3a–8b
Fall Color
Red
Origin
stony slopes

Diseases (5)

Cytospora canker Cytospora Canker
Erwinia amylovora Fire Blight
Various fungi (Phyllosticta spp., Septoria spp., Cercospo... Leaf Spot
Neonectria ditissima Nectria Canker
Thekopsora minima and Naohidemyces vaccinii Rust

Pests (10)

Cinara occidentalis, Cinara abietis Aphid
Apple-and-thorn skeletonizer
Ash borer
Enarmonia formosana Cherry bark tortrix
Leaf blister mite
Mountain ash sawfly
Caliroa cerasi Pear sawfly (pear slug)
Phytoptus pyri Pearleaf blister mite
Cylindrocopturus furnissi Root weevil
Malacosoma spp. Tent caterpillar

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