Sorbus alnifolia var. submollis – Sorbus alnifolia var. submollis

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Sorbus alnifolia var. submollis – Sorbus alnifolia var. submollis

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The natural variety submollis does not differ much from the species Sorbus alnifolia. It is a small to medium-sized tree of 8-12 m with a closed, ovoid to round crown. The bark is dark grey and smooth and the young twigs are greenish brown with striking red-brown leaf buds. The oval leaves somewhat resemble that of Alnus spaethii, but are smaller. In the species Sorbus alnifolia, the leaves are glabrous on both sides. In var. submollis, the underside of the leaves is slightly hairy. Even on older leaves, this hairiness can still be seen in the vein ridges. In autumn, the leaves turn an attractive pink, orange and red. In May-June, the white flowers open in corymbs about 5 cm wide. While the flower stalks of the species S. alnifolia are hairless, those of var. submollis are downy-hairy. The flowers are followed by round to oval fruits that turn from yellow to red. Cross-pollination is necessary for good fruit setting. So always plant at least two trees near each other. Sorbus alnifolia var. submollis occurs in central China, Korea and Japan. The tree grows preferably in well-drained, fertile soil. Hardiness zone 4.

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Specifications
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Height
8-12 m
Width
4-8m
Crown
avoid to round
Bark and branches
dark grey
Leaf
dark green
Autumn colour
orange, red
Flowers
white, flowers in May-June
Fruits
yellow to orange and red
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
sandy soil, acid soil
Paving
tolerates partial paving
Winter hardiness zone
4 (-34,4 to -28,9 °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, narrow streets, tree containers
Origin
U.S. National Arboretum, Washington D.C., USA, 2003
calcareous soil sandy soil tolerates partial paving resistant to frost (WH 1 - 6) ovoid/egg-shaped 2nd size, between 6 and 12 metres dense crown green white June May average growing Conspicuous bloom valuable for bees (honey plant) provides food for birds non-toxic (usually)
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Frequently asked questions
Sorbus alnifolia var. submollis

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

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

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

The right time to plant Sorbus alnifolia var. submollis is during the dormancy period. In Western Europe, Sorbus alnifolia var. submollis 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 var. submollis blooms in may, june.
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