Robinia pseudoacacia – Black locust, False Acacia

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Fabaceae

Robinia pseudoacacia – Black locust, False Acacia

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Arbore cu creștere rapidă, cu o coroană neregulată, ovală sau rotundă, transparentă. Înălțime 20 - 25 m, lățime aproximativ 12 - 18 m. Scoarța de culoare gri-maronie este aspră și adânc canelată. Crengile tinere sunt de culoare verde măsliniu spre maro. Pe ramuri sunt spini ascuțiți de aproximativ 3 cm lungime. Frunzele impare-pinnate au 9 - 19 foliole eliptice, de culoare verde-albastru închis, măsurând 1,5 - 4,5 cm. Robinia răsare târziu și își păstrează frunzele mult timp toamna. Culoarea sa de toamnă este galbenă. În iunie apar ciorchinii pendulanți compacți de flori parfumate, de culoare alb-crem, uneori ușor roz. Acestea sunt urmate de păstăi plate, de culoare roșie-maronie și corpolente, cu marginea înaripată, care adesea rămân toată iarna. Este un arbore cu înrădăcinare superficială, care crește bine pe soluri ușoare, calcaroase și formează mulți lăstari subterani.
Availability
Multi-stem (5)
Specifications
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Height
20 - 25 m, fast growing
Width
15-20m
Crown
oval to round, transparent, half-open crown, capricious growing
Bark and branches
greyish brown, roughly grooved, twigs olive-green to brown with small thorns
Leaf
imparipinnate, 20 - 30 cm, 9 to 19 leaf segments, 1.5 – 4.5 cm, green, feathered leaf
Flowers
pendulous clusters up to 15 cm, cream♂ white, approx. 2 cm, aromatic, June, fragrant flowers
Fruits
flat, leathery pod, reddish brown, 5 -10 cm long, remains on tree a long time
Spines/thorns
Yes
Toxicity
has toxic components
Soil type
places little demands on soil, provided there is good drainage
Soil moisture
suitable for dry soil
Paving
tolerates paving
Winter hardiness zone
5a (-28,8 to -26,1 °C)
Wind resistance
moderate, particularly in rich soil
Other resistances
resistant to frost (WH 1 - 6), resistant to de-icing salt
Fauna tree
aluable for bees (honey plant), valuable for butterflies
Application
avenues and broad streets, industrial areas
Shape
clearstem tree, multi-stem treem
Origin
eastern and central part of the USA
Clear stem tree Multi-stem tree calcareous soil clay soil loamy soil nutrient-poor soil sandy soil tolerates paving light-loving resistant to de-icing salt resistant to frost (WH 1 - 6) suitable for dry soil oval 1st size , taller than 12 metres half-open crown green white June late sprout fast growing Conspicuous bloom Feathered leaf valuable for bees (honey plant) valuable for butterflies toxic components Capricious growing Fragrant flowers yes Tree for the future
Related projects
Waterside Campus - University of Northampton
National Gallery - Copenhagen
Frequently asked questions
Robinia pseudoacacia

Robinia pseudoacacia can eventually reach a height of 20 - 25 m, fast growing, depending on the site and climate conditions.

Robinia pseudoacacia has a fast growing and can eventually reach a height of 20 - 25 m, fast growing, depending on the site and climate conditions.

The right time to plant Robinia pseudoacacia is during the dormancy period. In Western Europe, Robinia pseudoacacia 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.

june.
General