Sorbus alnifolia – Alder-leafed Whitebeam, Hornbeam mountain Ash, Atsuki pear

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Rosaceae

Sorbus alnifolia – Alder-leafed Whitebeam, Hornbeam mountain Ash, Atsuki pear

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Originally from East Asia where it attains a height of approx. 15 m. In Europe it remains smaller, up to approx. 8 - 10 m. The tree has dark grey smooth bark. Young twigs are olive-brown and later turn darker. The leaf buds are a remarkable reddish-brown. The oval leaves closely resemble those of the alder (Alnus). They have 10 - 15 pairs of remarkable veins and the leaf edge is finely serrated. They are matt green on the upper side, light green and slightly hairy to bare on the underside. They turn to shades of pink, orange and red in the autumn. Flowering is followed by yellow fruits that slowly turn red. At various stages they have exceptional ornamental value in the autumn. Cross-pollination is required for fructification. Therefore, it is recommended that several specimens should be planted together.

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Specifications
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Height
8 - 12 (15) m
Width
4-8m
Crown
ovoid to round, half-open crown
Bark and branches
smooth dark grey bark, branches purplish-brown
Leaf
oval, top with a short point, remarkable lateral veins, dull green, 5 - 11 cm
Autumn colour
orange, red, purple
Flowers
in umbels, Ø approx. 5 cm, white, May/June
Fruits
round to oval, red with yellow, Ø 0.8 - 1.5 cm
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
well drained nutritious soil
Paving
tolerates partial paving
Winter hardiness zone
5a (-28,8 to -26,1 °C)
Wind resistance
fairly
Other resistances
resistant to frost (WH 1 - 6)
Fauna tree
valuable for bees (honey plant), provides food for birds
Application
avenues and broad streets
Shape
clearstem tree
Origin
East Asia
Synonyms
Micromeles alnifolia
Clear stem tree calcareous soil loamy soil sandy soil tolerates partial paving resistant to frost (WH 1 - 6) ovoid/egg-shaped 2nd size, between 6 and 12 metres half-open crown green white May average growing Conspicuous bloom Attractive autumn colour valuable for bees (honey plant) provides food for birds non-toxic (usually) Ornamental fruit
Frequently asked questions
Sorbus alnifolia

Sorbus alnifolia can eventually reach a height of 8 - 12 (15) m, depending on the site and climate conditions.

Sorbus alnifolia is average growing and can eventually reach a height of 8 - 12 (15) m, depending on the site and climate conditions.

The leaves of Sorbus alnifolia turn orange, red, purple in autumn.

The right time to plant Sorbus alnifolia is during the dormancy period. In Western Europe, Sorbus alnifolia with root balls can generally be planted from mid-November to late April, although this depends strongly on the climatic conditions and the species of tree.

Sorbus alnifolia blooms in may.
General