| Scientific Name: | Sorbus aucuparia |
| Common Name: | European mountain ash |
| Family Name: | Rosaceae |
| Origin: | Europe |
| Hardiness Zone: | Zone 3: (-40 to -34 °C) |
| Plant Type: | Invasive plant, Tree - deciduous |
| Mature Size: | 10 - 15m x 5 - 7m (height x width) |
| Habit: | Stiffly upright |
| Form: | Oval - vertical |
| Texture: | Medium - coarse |
| Landscape Uses: | Attract birds, Fall interest, Medicinal plant, Specimen plant, Tall background |
| Exposure: | Full sun |
| Soil or Media: | Acidic, Well-drained |
| Leaves: | Compound, Alternate, Soft flexible, Glabrous, Lustrous, Odd-pinnate, Lanceolate, Oblong, Double serrate, Serrate |
| Flowers: | Corymb, White, Mar-Apr |
| Fruit: | Edible, Pome, Orange, Red, Sep-Oct, (Persistent) |
| Key ID Features: | |
| Small deciduous tree 5-12(-15)m tall; bark with horizontal pattern; leaves pinnately compound, 12-23cm long, red rachis, (9-)13-15(-19) leaflets oblong-lanceolate, apex acute to obtuse, mostly serrated (up to 1/3 towards base may be entire), 2-4(-6)cm long, less than 3 times long as wide, mid- to dark dull green with grey-green undersides; florets >75 per flat-topped corymb 8-15cm wide, petals 4-5mm long, pediels with dense hairs; pomes 6-8(-12)mm long, yellow to red. Winter ID: buds large, up to 13mm long, densely covered with gray soft hairy (resemble pussy willows); fruit persistent, bright red-scarlet to orange pomes 9-11mm wide. [source: E-Flora BC, OSU, & Index of Garden Plants] | |