Cornus 'Ascona' – Cornus 'Ascona'

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Cornaceae

Cornus 'Ascona' – Cornus 'Ascona'

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Small tree up to 8 m with a round crown and pendulous branches. The young twigs are purple to brown: older branches have grey, somewhat peeling bark. The large, glossy, dark green leaves produce splendid red to purple autumn colours. The flower panicle has a diameter of 6 to 10 cm. Each flower head is surrounded by 4 large, rather rounded bracts. The bracts are white and slightly grooved: the tips are somewhat folded back. ‘Ascona’ is a hybrid of C. florida and C. nuttallii, and most resembles C. nuttallii. However, the tree is sterile and more healthy.

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Specifications
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Height
6-8 m
Crown
flatened spherical, half-open crown
Bark and branches
flaking, grey
Leaf
green
Flowers
white, flowers in May
Fruits
fruitless cultivar
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
loamy soil, sandy soil, peaty soil, acid soil
Paving
tolerates no paving
Winter hardiness zone
7a (-17,7 to -15,0 °C)
Wind resistance
moderate
Fauna tree
valuable for butterflies
Application
parks, cemeteries, large gardens, small gardens, patio gardens
Shape
multi-stem treem
Synonyms
Cornus nuttallii 'Ascona'
Multi-stem tree acid soil loamy soil peaty soil sandy soil tolerates no paving suitable for shadow flatened spherical round/spherical half-open crown green white May average growing Conspicuous bloom all species valuable for butterflies non-toxic (usually) Fruitless cultivar
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Frequently asked questions
Cornus 'Ascona'

Cornus 'Ascona' can eventually reach a height of 6-8 m, depending on the site and climate conditions.

Cornus 'Ascona' is average growing and can eventually reach a height of 6-8 m, depending on the site and climate conditions.

The right time to plant Cornus 'Ascona' is during the dormancy period. In Western Europe, Cornus 'Ascona' 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.

Cornus 'Ascona' blooms in may.
General