From: Subject: Leyland Cypress Date: Tue, 24 Apr 2007 05:43:19 -0400 MIME-Version: 1.0 Content-Type: multipart/related; type="text/html"; boundary="----=_NextPart_000_0000_01C78633.76BC8970" X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 This is a multi-part message in MIME format. ------=_NextPart_000_0000_01C78633.76BC8970 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Content-Location: http://hgic.clemson.edu/factsheets/HGIC1013.htm Leyland Cypress

3D"Clemson

HOME=20 & GARDEN INFORMATION  CENTER

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HGIC = 1013

http://hgic.clemson.edu/

Leyland Cypress

Printer=20 Friendly Version

= Leyland=20 cypress (x Cupressocyparis leylandii) is a large, handsome = evergreen=20 that is used extensively in the Southeast. It is a favorite because it = is fast=20 growing. It is adapted to all of South Carolina.

MATURE HEIGHT/SPREAD

This tree will grow 60 to 70 feet tall and 12 to 20 feet wide. = Heights of 70=20 to 100 feet are not uncommon.

GROWTH RATE

It grows rapidly when young (3 to 4 feet per year).

ORNAMENTAL FEATURES

The Leyland cypress forms a graceful pyramid, with dense pendulous = branches=20 and fine, feathery foliage. This foliage, on flattened branchlets, is = dark green=20 or blue-green and is small and scalelike. The fruit (cone) is small and = brown,=20 and creates no litter problems.

LANDSCAPE USE

This is a fast-growing evergreen when young and will quickly outgrow = its=20 space in small landscapes. It is an excellent choice for quick screens, = hedges=20 and groupings, especially on large properties. This tree tolerates = severe=20 trimming, and can be restrained at an early age with pruning. Although = Leyland=20 cypress can be sheared into a tall screen on small lots, it is most = effective=20 when allowed to develop into its natural shape. Regular trimming is = necessary to=20 retain a formal hedge, screen or windbreak. When considering this tree = for use=20 in a design, be mindful of its projected height. It usually grows larger = than=20 most people desire. It is a good background plant, and contrasts well = with=20 broadleaf evergreens.

This tree prefers sun to part shade and well-drained fertile soil. It = is very=20 adaptable, however, and tolerates acidic or alkaline soils and poor = drainage on=20 occasion. It withstands salt spray and is suited for coastal landscapes. = Prune=20 only during dry periods to help prevent disease.

PROBLEMS

The most serious problem is a canker that causes branch dieback to = the main=20 trunk, and can seriously disfigure or kill the tree. To help prevent = spread of=20 this fungus, spray with a fungicide, and prune only during dry periods. = Bagworms=20 can also be a major insect problem on this tree. For further information = on=20 problems on Leyland cypress, refer to the fact sheet Leyland Cypress = Problems, HGIC=20 2004.

CULTIVARS

  • =91Castlewellan=92- This is a somewhat compact = form. It has=20 gold-tipped foliage, which is more pronounced in fall, winter and=20 spring.=20
  • =91Leighton Green=92- This tree is tall and = columnar, with=20 dense branching and dark green foliage.=20
  • =91Haggerston Gray=92 - This tree has irregular = lateral=20 branches with sage green foliage.=20
  • =91Naylor=92s Blue=92 - This columnar form is = more loosely=20 branched and open than most. The foliage is blue-gray. It may be = slower=20 growing.=20
  • =91Silver Dust=92 - This wide-spreading form = has blue-green=20 foliage marked with variegation.
  • =91Greenspire=92 - This narrow, columnar form = has very dense,=20 rich green foliage.

NOTE: Chemical control of diseases and insects on large trees is = usually=20 not feasible since adequate coverage of the foliage with a pesticide = cannot be=20 achieved.

Prepared by Debbie Shaughnessy, HGIC Information Specialist, and Bob=20 Polomski, Extension Consumer Horticulturist, Clemson University.

This information is supplied with the understanding that no = discrimination is=20 intended and no endorsement by the Clemson University Cooperative = Extension=20 Service is implied. All recommendations are for South Carolina = conditions and=20 may not apply to other areas. Use pesticides only according to the = directions on=20 the label. All recommendations for pesticide use are for South Carolina = only and=20 were legal at the time of publication, but the status of registration = and use=20 patterns are subject to change by action of state and federal regulatory = agencies. Follow all directions, precautions and restrictions that are = listed.=20 (New 5/99).

 

 

The Clemson University Cooperative Extension Service=20
offers its programs to people of all ages, = regardless of=20 race, color, sex, religion, national origin, disability, political = beliefs,=20 sexual orientation, marital or family status and is an equal opportunity = employer.
Clemson University Cooperating with = U.S.=20 Department of Agriculture, South Carolina Counties, Extension Service, = Clemson,=20 South Carolina. Issued in Furtherance of Cooperative Extension Work in=20 Agriculture and Home Economics, Acts of May 8 and June 30,=20 1914
Public Service=20 Activities

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