American red ash (Fraxinus pennsylvanica)

tall trees with a very thin trunk, called Fraxinus pennsylvanica

Fraxinus pennsylvanica is usually the botanical name by which this species is known, which is part of the family Oleaceae, although it is generally called ash green ash, American red ash, ash black ash, green ash, ash gourd, and Carolina ash.

This species is native to Canada and also from the eastern region of the United States, although its cultivation has managed to spread not only around the Río de la Plata due to the similarities it has with its land of origin, but also around all of Argentina, especially to rural areas. from the towns of Santa Fe, Buenos Aires, Córdoba, Entre Ríos and Mendoza, and its surroundings, above all.

Description of Fraxinus pennsylvanica

branches of the green ash tree or also called Fraxinus pennsylvanica

Is a tree from eastern North America, which is capable of growing around 20m high and reaching a width of about 5-8 cm; This species takes advantage of anemophilia in order to pollinate its flowers, which are ivory in color and have dioecious reproductive units, and the leaves of this plant are usually deciduous.

Its deciduous leaves are usually opposite, pinnate and rarely appear in whorls of 3 three; while its seeds are contained within a samara. On the other hand, it should be said that the name of the genus "Fraxinus" comes from the term "Phraxo" of Latin origin, which would be translated as fenced, since formerly this ash tree used to be used for the purpose of building fences.

It should also be noted that in certain regions of Argentina, including the Paraná delta, this species became wild. So the uniseminated fruits of this species, which are usually scattered through the windThey end up producing new individuals that generate great changes within that area; and after they are installed, it is usually quite difficult to control them.

That is why it is necessary to bear in mind this antecedent of invasive plant when deciding to plant it within different areas, so that it can be favorably expanded. Due to its ability to grow 15-20m tall, as well as having a straight, cylindrical trunk, this tree manages to cast a great shadow. It should also be noted that it is a dioecious diclino tree.

Care and Needs

It consists of a rustic species with the ability to develop in various climatic conditions, which is capable of withstanding both cold and frost; tends to prefer cool, fertile and slightly damp soils. In addition, its growth is usually partially rapid.

old and fallen branches of the green ash tree

It usually stands out for being a fairly common species in public walks and parks, as well as in the trees of the streets; since it has a radiant green foliage that when autumn arrives it turns to an intense yellow color and gives it decorative qualities, apart from offering a good and fresh shade. And as if that were not enough, It consists of a tree with great resistance to environmental pollution, which is also usually good health.

El Fraxinus pennsylvanica tends to develop to a greater extent when being in soils that has a neutral, acid or alkaline pH, and the subterranean part of the species tends to gain greater vigor due to having supports that have a loamy, sandy or clayey texture, since they are usually able to remain humid. The amount and frequency of irrigation can vary depending on the texture of the soil, temperature, sun exposure and humidity, etc., but always try to maintain a certain level of humidity.

Likewise, this species is usually quite demanding in relation to its lighting needs, so this tree should be planted only in areas where they can receive direct sunlight, so that it can develop properly. And it only has the ability to resist minimum temperatures such as those of Zone 4, so it can withstand strong winds and pollution without any problem.


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