University of Illinois Extension
University of Illinois Extension - Selecting Trees for Your Home
http://www.urbanext.uiuc.edu/treeselector
Korean Mountainash
Sorbus alnifolia
Korean Mountainash flowers
Size:

Small
Size: medium
Medium

Large
Exposure/ Light Requirements:
Full Shade not required.
Full Shade
Full Sun required.
Full Sun
Partial Sun/Shade not required.
Partial Sun/Shade
Hardiness Zone: 5 - 7 
[Find Your Zone]
Mature Height: 40-50 Feet
Features: Small clusters of white flowers in late spring; red-orange berries in late summer and autumn; gold to orange fall color.
Culture: Full sun; moist, well drained soil; tolerates alkaline soil.
Cultivars: 'Redbird' has red fruit and a columnar form.
Mature Form: Oval to rounded
Native To: China, Korea and Japan
Soil Conditions:
Dry
Soil condition: Moist, Well-DrainedMoist, Well-Drained
Wet
Tolerance:
Tolerance: Alkaline SoilAlkaline Soil
Dry Sites
Salt
Soil Compaction
Wet Sites
Wind
Uses:
Massing
Patio
Screen
Use for: Shade.Shade
Use for: Specimen.Specimen
Street
Wind Break
Foliage Color: Green
 
Fall Foliage Color: Orange
Yellow
 
Additional Notes: Most species of mountainash are very suscptible to borer; this species shows good resistance to that pest. Leaves are simple (mountainashes usually have compound leaves).