Shamel ash tree Pros and Cons, Root System, Problems & Diseases

The shamel ash (Fraxinus uhdei) is a rapid growing tree that may grow up to 80 feet in height and 60 feet in width. It is distinguished by its spectacular leaves, which may grow up to 11 inches long and have up to 9 leaflets. It is sometimes known as an evergreen ash or a tropical ash. Shamel ash is regarded as an evergreen tree, despite the fact that the majority of ash trees are deciduous and may occasionally lose some of their leaves following disease or frost damage.

Shamel ash tree Pros and Cons, Root System, Problems & Diseases

Although it may lose leaves or have some branch dieback, the shamel ash can withstand temperatures as low as 20°F for brief periods of time. Shamel ash grows best in full sun, however young plants may tolerate slight shade.


Striking appearance

The Shamel ash tree is renowned for its magnificent look. They offer a touch of elegance to any scene with their wide canopy and brilliant green leaves. These trees have the potential to be prominent features that raise the aesthetic value of your outdoor area as a whole.

Longevity and Lovely Color

Because they may last a long time in the landscape and give stunning color, some ash tree species, such as Texas ash and wafer ash, are excellent alternatives for homeowners.

Tolerance for Alkaline and Rocky Soils

Shamel ash trees have a remarkable capacity to adjust to many types of soil and environmental factors. Rocky and alkaline soils are not a problem for shamel ash trees.

Quick Growth

The quick growth of shamel ash trees is one of its most important benefits. These trees can grow to impressive heights in just a few years, offering shade and fostering a more established and welcoming environment.

Provider of shade

A shamel ash tree can be a great option if you want to designate a shaded area in your yard. They are ideal for picnics, outdoor events, or just relaxing with a good book in the fresh air due to their dense foliage, which provides plenty of shade during the hot summer months.


Frail Wood

One of the disadvantages of shamel ash trees is their relatively weak wood. The branches of these trees can be more prone to breaking during extreme weather, including storms or strong winds.

Invasive Roots

The root systems of shamel ash trees can be highly invasive, despite the fact that they have many advantages. The roots have a history of dispersing widely, with the potential to harm driveways, sidewalks, and even the foundations of surrounding buildings.

Messy Droppings

The dense canopy of the tree also causes it to produce a substantial quantity of trash, including seeds, foliage, and small branches. In the fall, this requires a lot of yard work.

Pest susceptibility

Shamel ash trees are vulnerable to a number of pests, such as aphids, scales, and borers. The tree may become weaker and more susceptible to diseases as a result of these pests.

Root System

Its roots and branches develop quickly and invasively, which might harm the region where it is planted. It has a shallow root system. 

The primary root, also called the taproot, is the center of every shamel ash root system. This sturdy structure digs down into the ground to locate water and nutrients that the tree needs to survive.

The secondary roots radiate forth from the main root, generating a web-like structure that spreads out widely. In addition to helping the tree absorb nutrients, these roots also give it stability and help it to be firmly planted in the ground.

Problems & Diseases

Ash Tree Borers

One of the biggest hazards to shamel ash trees is ash tree borers. These insects cause nutrient flow to be disrupted and degrade the structure of the tree by boring into the bark.


Anthracnose is a fungus that can infect shamel ash trees and cause twig dieback, defoliation, and dark patches on leaves. The spread of this disease can be stopped with proper tree care and maintenance.

Ash Rust

A fungus called ash rust attacks the leaves, stems, and branches of ash trees, resulting in orange or yellowish-orange pustules. Defoliation and general tree health deterioration may result.

Root Rot

The decomposition of a shamel ash tree's roots can result from root rust, which is caused by saturated soil. Root rot can be avoided with proper drainage and soil management.

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