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The Leyland cypress, Cupressus × leylandii, × Cuprocyparis leylandii or × Cupressocyparis leylandii, often referred to simply as leylandii, is a fast-growing coniferous evergreen tree much used in horticulture, primarily for hedges and screens.
Sep. 28—ATHENS — Leyland cypress are one of the most commonly planted landscape trees, but poor site selection and disease pressure may soon send them the way of red tips and Bradford pears.
Monterey cypress is one of the parents of the fast-growing cultivated hybrid Leyland cypress, Cupressus × Leylandii, the other parent being Nootka cypress (Callitropsis nootkatensis). [10] Hesperocyparis macrocarpa cultivars grown in New Zealand are: [33] 'Aurea Saligna'—long cascades of weeping, golden-yellow, thread-like foliage on a ...
Cupressaceae or the cypress family is a family of conifers. The family includes 27–30 genera (17 monotypic ), which include the junipers and redwoods , with about 130–140 species in total. They are monoecious , subdioecious or (rarely) dioecious trees and shrubs up to 116 m (381 ft) tall.
The fast-growing hybrid Leyland cypress (Cupressus × leylandii), much used in gardens, draws one of its parents from this genus (Cupressus macrocarpa, Monterey cypress); the other parent, Callitropsis nootkatensis (Nootka cypress), is also sometimes classified in this genus, or else in the separate genus Xanthocyparis, but in the past more ...
It has been determined that rooting hormones containing higher levels of IBA increase the percentage of cuttings that develop viable roots in Carolina Sapphire cypress. [12] Studies have also shown that misting at 7- to 10-minute intervals increases the amount of successful root development in Leyland cypress cuttings. [13]
Cypress canker is a disease affecting Cupressus species, caused by one of several species of fungus in the genus Seiridium. Infection causes die-back of twigs and branches in susceptible cypress trees, [ 1 ] with rapidly increasing amounts of damage and the death of the tree.
Cypress is a common name for various coniferous trees or shrubs from the Cupressus genus of the Cupressaceae family, typically found in warm-temperate and subtropical regions of Asia, Europe, and North America.