Botanical name: Sorbus aucuparia
All Common Names: European Mountain Ash, Rowan,Rowantree, Common Mountainash
Family (English): Rose
Family (Botanic): Rosaceae
        Tree or Plant Type: Tree
        Native Locale: Non-native
        Landscape Uses: Specimen, Shade tree
        Size Range: Medium tree (25-40 feet), Small tree (15-25 feet)
        Light Exposure: Full sun (6 hrs direct light daily)
        Hardiness Zones: Zone 3, Zone 4, Zone 5 , Zone 6
        Soil Preference: Acid soil, Moist, well-drained soil
        Season of Interest: Mid spring, Late spring, Early summer, Mid summer, Late summer, Early fall
        Flower Color & Fragrance: White
        Shape or Form: Open, Round
        Growth Rate: Moderate
More Information:
Size & form
A small tree,  20 to 40 feet tall and 15 to 25 feet wide.
A short-lived tree, best grown in cool climates.
Tree & Plant Care
Plant in a cool moist location.  Does best in full sun but will tolerate some shade.
This tree prefers well-drained, slightly acidic soils.
May be difficult to find in nursery trade,
Disease, pests, and problems
Prone to many insect and disease problems
Borers and cankers are serious problems on stressed trees.
Native geographic location and habitat
 Native to northern Europe and Asia
Attracts birds & Butterflies
Flowers attract butterflies and fruit is a favorite of many bird species.
Bark color and texture 
Smooth gray bark with white streaks from lenticels. Older bark is slightly rough