Sorbus 'Joseph Rock' – Sorbus 'Joseph Rock'

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Rosaceae

Sorbus 'Joseph Rock' – Sorbus 'Joseph Rock'

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Acesta este un hibrid foarte frapant, a cărui origine este necunoscută. Arborele crește în formă de piramidă îngustă până la o înălțime de aproximativ 8 m și este foarte compact. Frunzele de până la aproximativ 16 cm sunt inegale, penate și sunt formate din 15 - 19 foliole ovoidale, înguste și inversate. Toamna se colorează în roșu-portocaliu spre purpuriu și, împreună cu fructele impresionante, aceasta constituie principala valoare ornamentală. La început, fructele sunt încă galben-crem, dar mai târziu devin galben-închis spre chihlimbar. 'Joseph Rock' are o rodire foarte variabilă. Fructele rămân pe copac o perioadă lungă de timp, uneori până la jumătatea lunii decembrie, și contrastează frumos cu culoarea de toamnă a frunzelor. Din nefericire, acest copac frumos este sensibil la focul bacterian.

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Specifications
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Height
6 - 8 m
Width
3-4m
Crown
narrow pyramidal, dark, dense crown
Bark and branches
greyish-brown, twigs greenish-brown
Leaf
imparipinnate, 8 - 16 cm, 15 - 19 leaf segments, dark green, feathered leaf
Autumn colour
red, purple
Flowers
white, in umbels of 8 - 15 cm Ø, May/June
Fruits
creamy yellow, later amber yellow, remain on the tree for a long time
Spines/thorns
None
Toxicity
usually not toxic to people, (large) pets and livestock
Soil type
makes few demands, can grow on poor soils
Soil moisture
suitable for dry soil
Paving
tolerates no paving
Winter hardiness zone
6a (-23,3 to -20,6 °C)
Wind resistance
very good
Other resistances
resistant to frost (WH 1 - 6), can withstand wind
Fauna tree
aluable for bees (honey plant), provides food for birds
Application
small gardens
Shape
clearstem tree, multi-stem treem
Origin
unknown
Clear stem tree Multi-stem tree loamy soil nutrient-poor soil sandy soil tolerates no paving resistant to frost (WH 1 - 6) suitable for dry soil can withstand wind narrow conical 2nd size, between 6 and 12 metres dense crown green white May early sprout average growing Conspicuous bloom Feathered leaf Attractive autumn colour valuable for bees (honey plant) provides food for birds non-toxic (usually) Fructe ornamentale
Frequently asked questions
Sorbus 'Joseph Rock'

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

Sorbus 'Joseph Rock' has a average growing and can eventually reach a height of 6 - 8 m, depending on the site and climate conditions.

The leaves of Sorbus 'Joseph Rock' turn red, purple in autumn.

The right time to plant Sorbus 'Joseph Rock' is during the dormancy period. In Western Europe, Sorbus 'Joseph Rock' 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.

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General