College of Agriculture, Health and Natural Resources

Plant Database

Sorbus aucuparia

European Mountainash, Common Mountainash

Rosaceae

European Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common MountainashEuropean Mountainash, Common Mountainash
Expand

Habitat

  • native to northern Europe and Asia
  • zone 3

Habit and Form

  • a small to medium-sized, deciduous tree
  • typically 20' to 40' tall
  • shape is ovate to rounded
  • branching is strongly upright and spreading
  • main trunk is often short, becoming very multi-branched

Summer Foliage

  • leaves are alternately arranged
  • pinnately compound
  • 5" to 9" long
  • 9 to 15 leaflets is most common
  • leaflets are .75" to 2.5" long with a pointed oval shape
  • margins of leaflets are serrated toward the tips
  • dark green above, frosty green below

Autumn Foliage

  • leaves change from green to yellow to orange to somewhat reddish
  • can be showy or disappointing

Flowers

  • blooms in May
  • rounded, flat-topped clusters
  • white color
  • malodorous
  • individual flowers only 0.33" across.
  • relatively showy, but not spectacular

Fruit

  • small, orange-red fruits
  • 0.25" to 0.38" diameter
  • born in terminal clusters that ripen in late August and September
  • fruit is quite attractive
  • birds like to eat the fruit

Bark

  • color is light grayish brown
  • generally smooth, but somewhat roughened on older trunks
  • relatively attractive

Culture

  • prefers cool to cold climates best
  • likes well-drained, loamy acidic soils
  • avoid high pH soils
  • avoid hot, dry locations
  • avoid compacted soils and pollution
  • full sun

Landscape Uses

  • excellent for effect in fruit
  • good performer in cold climates
  • as a smaller shade tree
  • fruits attract birds
  • specimen

Liabilities

  • stress predisposes the plant to disease and insect problems
  • very susceptible to borers
  • frequently develops fire blight
  • other insect and disease pests include cankers, rusts, aphids, sawflies, and scales
  • often short-lived in the landscape

ID Features

  • very large terminal buds
  • smooth bark
  • short main trunk dividing into multiple trunks
  • upright oval branching
  • pinnately compound leaves
  • a dark band is beneath each leaf scar
  • white flowers in flat clusters
  • orange red fruit in terminal clusters

Propagation

  • by seed
  • cultivars generally grafted

Cultivars/Varieties

'Asplenifolia' - A selection for more incised leaflets, this plant does not differ markedly from the species.

'Fastigiata' - This is an upright form with coarse, ascending branches. It produces red fruit and dark green foliage

'Michred' (Cardinal Royal™) - This is perhaps the most common commercial selection. A introduction out of Michigan, the plant is a vigorous symmetrical grower to 30' tall and 20' wide. The habit is upright-oval and the plant bears profuse red fruit amidst glossy green foliage (silvery beneath).

'Pendula' - A novelty form that is not widely available, this plant has drooping branches that are not regular or very graceful. It grows to 20' tall and fruits well.

'Xanthocarpa' -Notable for its yellow-orange fruit, this selection is otherwise similar to the species. 'Brilliant Yellow' is a named selection with yellow fruit on a oval tree 30' tall with a spread of 20'.

© Copyright Mark H. Brand, 1997-2015.

The digital materials (images and text) available from the UConn Plant Database are protected by copyright. Public use via the Internet for non-profit and educational purposes is permitted. Use of the materials for profit is prohibited.

Citation and Acknowledgements: University of Connecticut Plant Database, https://plantdatabase.uconn.edu/, Mark H. Brand, Department of Plant Science and Landscape Architecture, Storrs, CT 06269-4067 USA.