This fungus usually attacks young Leyland cypress trees that are a year or a few years young.īut, today, this fungus has evolved to attack even mature Leyland cypress trees.Īt first, the Leyland cypress leaves will assume a light-brownish look.īut after a few weeks/months, these leaves will drop if the disease persists. Needle blight is a disease caused by a fungus known as Passalora sequoia. What Is The Leyland Cypress Needle Blight Disease? We will discuss the causes of Leyland cypress disease, and all the practical ways you can hire to treat it effectively.īut, before we continue, let us read an insight into understanding what kind of this disease is. However, there is one common disease known as the Leyland cypress needle blight, which attacks this tree species. Various diseases and pest issues have become more noticeable as a result of the increased planting that has come about as a result of its popularity. It tends to be vulnerable to specific diseases if left unattended, but at the same time, it is a drought-resistant tree species. The Leyland cypress tree species is a resistant and tolerant tree that grows fast and wide. So, in this article, we will address the needle blight causes and treatment. However, the continuous shedding off should not be confused with the needle blight disease as much as this process looks identical. The Leyland cypress needles will turn brown starting from the inside and work their way outwards. The routine shedding off is known as dieback. This helps reduce transpiration and increase water circulation in the tree’s structure. As with most tree species, diseases cause a substantial amount of damage to either the roots, stem, or leaves of the tree.įortunately, some of these diseases are preventable by taking the correct precautions.Įvergreen trees, like the Leyland cypress and blue spruce, shed off old needles and grow new ones.
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