How to Trim a Leyland Cypress
Leyland cypress (x Cupressocyparis leylandii) is a common landscaping tree popular for its rapid growth rate and ability to thrive in diverse environmental conditions. Leyland cypress trees are large trees that reach a mature height of over 100 feet, according to North Carolina State University. However, young trees are amenable to frequent trimming, making it easy to maintain a Leyland cypress at a manageable height for your landscaping needs. Does this Spark an idea?
Instructions
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Wash pruning shears thoroughly and apply a fungicide to the shears between each trimming. Leyland cypress trees are vulnerable to fungal canker that is often transmitted between trees by pruning shears. Sterilizing the shears before trimming helps prevent the accidental spread of the disease on your property.
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Prune Leyland cypress trees only in winter when the trees are dormant. According to Clemson University, pruning in dry periods through winter also helps prevent fungal diseases.
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Trim Leyland cypress trees evenly with pruning shears to the desired height and spread. Do not remove more than one-third of the plant's foliage to minimize stress from the trimming process. If your Leyland cypress has grown larger than desired, prune several times through the growing season to decrease its size while maintaining the tree's health.
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