Alnus incana 'Laciniata' – Alnus incana 'Laciniata'

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Betulaceae

Alnus incana 'Laciniata' – Alnus incana 'Laciniata'

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Usually multiple-stemmed tree with an upright central leader, creating an irregular, ovoid crown. Both the trunk and the young twigs are grey. In contrast with A. glutinosa, A. incana has no sticky parts. The alternate leaves are light green and very deeply dissected. The undersides are hairy to velvety, just like the twigs. Buds are short stalked and the inflorescence consists of ± 0.5 cm inconspicuous female catkins and ± 7 cm purplish male catkins with yellow pollen. The grey brown strobiles appear in September and decorate the tree all winter. 'Laciniata' roots deep, but shallower than A. glutinosa. Is more tolerant to moist than the species, but for really wet sites the strongly resembling and larger A. glutinosa 'Laciniata' is better suited.

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Specifications
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Height
10 - 12 m
Crown
ovoid, half-open crown
Bark and branches
grey and smooth, twigs grey brown
Leaf
very deeply dissected, soft green, 4 - 10 cm
Flowers
catkins, ♂ and X, purplish, February/March
Fruits
ovoid strobiles, grey brown
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
tolerant to moister soils than the species
Soil moisture
suitable for dry soil, withstand short flood, withstand long flood
Paving
tolerates no paving
Winter hardiness zone
2 (-45,5 to -40,1 °C)
Wind resistance
good, susceptible to sea wind
Other resistances
resistant to frost (WH 1 - 6), can withstand wind, resistant to de-icing salt
Application
tree containers, roof gardens, industrial areas
Shape
clearstem tree, feathered tree, multi-stem treem
Origin
± 1861
Clear stem tree feathered tree Multi-stem tree calcareous soil clay soil loamy soil sandy soil tolerates no paving light-loving resistant to de-icing salt resistant to frost (WH 1 - 6) suitable for dry soil withstand long flood withstand short flood can withstand wind ovoid/egg-shaped 2nd size, between 6 and 12 metres half-open crown green violet February average growing Conspicuous bloom non-toxic (usually) Ornamental fruit
Frequently asked questions
Alnus incana 'Laciniata'

Alnus incana 'Laciniata' can eventually reach a height of 10 - 12 m, depending on the site and climate conditions.

Alnus incana 'Laciniata' is average growing and can eventually reach a height of 10 - 12 m, depending on the site and climate conditions.

The right time to plant Alnus incana 'Laciniata' is during the dormancy period. In Western Europe, Alnus incana 'Laciniata' 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.

Alnus incana 'Laciniata' blooms in february.
General