Mountain Ash
Sorbus poteriifolia
Rosaceae · broadleaf deciduous shrub · introduced
Last updated
Data Maturity Structured Multiple sources. Expert review underway.
Watch for this season
Cytospora CankerHigh
Spring Canker Activation
Fire BlightHigh
Bloom Infection Window
Nectria CankerHigh
Spore Release (Fall & Spring Rains)
RustHigh
Aecial Stage (Alternate Host)
+ 3 more — see full disease and pest lists below
Quick Facts
Height
9 ft
Light
Full Sun to Part Shade
Hardiness
Zone Zones 3a–8b
Fall Color
Red
Origin
stony slopes