Thursday, January 5, 2017

Should You Plant Leyland Cypress Trees

By Catherine Stone


Georgia is just about right for one very popular ornamental tree. Leyland Cypress trees thrive in zones 6 to 8, although they are found in a much wider range. If you are going to the expense and trouble of planting a tree or a hedge in your yard, you should check this one out. This hybrid is easy to grow and care for and very, very beautiful.

This extremely popular variety of landscape tree is not native to anywhere. The first examples of this conifer (cone bearing evergreen) grew on a British estate as a hybrid between two cypress species. Some Monterey cypress were planted near some Nootka cypress and they cross-pollinated. The new trees were emerald green, well-shaped, and extremely fast growing. Other landowners had the same serendipity; there are over 40 types of the species today.

People who wanted fast-growing evergreens for hedges, privacy fences, and windbreaks soon found that the Leyland was perfect. Its tolerance for salt spray and air pollution made it perfect for coastline and urban gardens. Except in very hot and dry regions, it requires little care. It grows so fast that sometimes it causes problems; a neighbor might find that the privacy hedge next door cuts off all his sun.

In the right conditions, this variety is sturdy and disease-resistant. It is shallow-rooted, so very strong winds are a threat once it grows over twenty feet tall. Its soft branches make it easy to prune but also make it vulnerable to damage from heavy snowfall. Homeowners in hot, dry regions should provide a good soaking once a week.

Tall: up to and over 100 feet, growing up to four feet a year. Wide: up to 25 feet. It thrives in full sun, acidic and well-drained soil, and a spacing of at least five feet apart. It can do well in any soil, needs only a little help in very hot and dry regions, and can be grown near the ocean, since salt spray doesn't hurt it. Planting zones 6 to 8 are ideal (making it perfect for Georgia), but it can survive in zones 5 to 10. It prefers full sun but will be OK in light shade.

A lone Leyland can make a striking focal point for any landscape. Nursery-started specimens grown from cuttings retain the dense growth and symmetrical shape of the originals; seedlings tend to be scraggly. No one knows how long these trees live, since most of the original hybrids are still flourishing on their British soil. That's over 125 years and still counting, with heights of 130 feet.

If you want a dense, vibrantly green hedge, get starter plants (these should still be grown from cuttings) and space them at least five feet apart. Plan to prune them so they won't outgrow their space; pruning will keep the height under control and help each individual tree to fill in all the space around it. If the cypresses are set too close together, the lower branches may die, leaving the hedge scraggly and less protective.

The popularity of this tree is partly because they are relatively inexpensive and easy to grow. However, their beauty also makes them desirable. In Georgia, homeowners should check their planting zones, make sure that such a vigorous variety won't shade neighboring properties, and make sure the plants they choose are started from cuttings. If conditions are favorable, the Leyland cypress should be a joy for many years to come.




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