Layland Cypress          ku-PRES-us la-LAN-de-i

• Evergreen conifer, to 60-70 ft (18-21 m) tall, 8-15 ft (2.5-4.5 m) wide, columnar to pyramidal form.  Leaves scale-like, opposite leaf pairs alternating to form 4 longitudinal rows, individual leaves 1.5-3 mm long, green to bluish-green above and below, arranged in flat sprays on long slender branches.  Although fruits rarely, cones are round and about 1.5-2.0 cm wide.
• Sun.  Adaptable and fast growing; can be grown as a hedge (10-15 ft).  Grown commercially as a Christmas tree in some areas.
• Hardy to USDA Zone 6     An intergeneric hybrid of Cupressus macrocarpa (Monterey Cypress) × Chamaecyparis nootkatensis (Alaska Cedar), which has occurred many times.
• Many cultivars have been selected, including:
• ‘Castlewellan’  (syn.‘Castlewellan Gold’)  -  vigorous grower, but slower than ×C. leylandii, dense crown, conical to columnar, summer foliage golden yellow in cool regions to greenish yellow in warm climates.  Popular.  Of seedling origin in 1962 at Castlewellan, North Ireland.
• Emerald Isle™  (syn. ‘Moncal’)  -  foliage bright green, in flat sprays, dense, a Monrovia introduction in 1992, originally from Britain.
• ‘Golconda’  -  yellow-gold foliage persists year round, compact pyramid form, fast growing, originally from Briton.
• ‘Gold Nugget’  -  bright golden yellow foliage, compact and erect form.
• ‘Gold Rider’  -  yellow-golden foliage, in winter yellow with green tips, open, considered one of the best "golden" cultivars.  Originated as a branch sport in Holland in the 1980s.
• ‘Naylor's Blue’  -  foliage soft to deep blue-green, feather-like (plumose), considered one of the bluest selections, somewhat open form, youngest branches round in cross-section, rarely produces cones.  Originated in Leighton Hall, Wales in 1911.
• ‘Robinson's Gold’  -  foliage varies from bright gold-yellow to lemon-green, fast growing.  Found as a seedling by George Robinson in 1962 in Belfast, North Ireland.
• ‘Silver Dust’  -  foliage green with scattered cream-white splashes and streaks, sprays flat.  Originated as a branch sport at the U.S. Arboretum, Washington, D.C.
• leylandii: after C.J. Leyland, a sea captain, who grew some of the first hybrids on his property in England in 1888.
• Oregon State Univ. campus:
• a hedge on the east side of the surplus property building at 644 SW 13th St., across from Independent Auto Werks.
• southeast corner Richardson, selection Emerald Isle™