September 20
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Plant Species of the genus Robinia

Information about this genus
Name: Robinia
Cultivation: CULTIVATION: These tough adaptable plants grow quickly and tolerate most soils provided they are well drained. They are, however, rather brittle, with branches that are prone to break or tear in strong winds. Prune when young to establish a strongly branched structure. Some species sucker freely and the suckers can be used for propagation, otherwise they are propagated from stratified seed or cuttings. The special growth forms are usually grafted.
Description: This is a genus of some 20 species of deciduous trees and shrubs found mainly in eastern USA. They are leguminous plants with pendulous racemes of white, cream, pink or lavender, pea-like flowers followed by flat seed pods. The leaves are pinnate, often quite large, and in some species develop vivid yellow autumn colors. The stems sometimes carry fierce thorns that tend to be hard to see until one is impaled. Some robinias are grown for their flowers, others for their foliage, a few for their general growth habit.

Specie Vernacular Zone
ambigua
dubia
fertilis
grandiflora
hispida 5-9
pallida
pedunculata
pseudoacacia 3-9
Robinia 3 ambigua 3-9
Robinia 3 slavinii 5?9
Robinia boyntonii 5-10
Robinia kelseyi 5-9
Robinia neomexicana 5-10
speciosa
viscosa 3-9



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