[14], In some of these classifications, this and other hybrids of Nootka cypress become very unusual in being intergeneric hybrids, the only ones ever reported among the gymnosperms. Light Needs. '[5], The hybrid has since arisen on nearly 20 separate occasions, always by open pollination, showing the two species are readily compatible and closely related. Can be pruned and shaped repeatedly without harm. The tree has also been introduced in Kenya on parts of Mount Kenya. ): Bäume & Sträucher. [20] In 1953, a freak tornado blew down one of the original trees at Haggerston (the other original five trees still survive), on which the research division of the Forestry Commission started developing additional hybrids. Few popular hedge plants rise to the height of the Leyland cypress. [6] He further developed the hybrid at his new home, and hence named the first clone variant 'Haggerston Grey'. Leyland cypress trees grow in a pyramidal, conical shape with flattened sprays of bluish-green, needled leaves. It grows very fast with yearly increases of 1 m. The leaves, about 1 mm long and close to the twig, are presented in flaky, slightly aromatic branches. View Map. The avera… For best growth, plant in a full sun site with evenly moist, fertilized soil. In 1891, he inherited the Leyland Entailed Estates established under the will of his great-great-uncle, which passed to him following the death of his uncle Thomas Leyland. This form, widely propagated from the 1970s, was selected by the park director, John Keown, and was named Cupressus macrocarpa 'Keownii', 1963.[11]. The tree bark is dark red or brown and has deep grooves. The Top, Fast-Growing Privacy Evergreen. The crownof many forms is broadly columnar with slightly overhanging branch tips. It also beautifies the landscape around homes, across campuses, and in parks. When left unpruned, this tree usually form a dense oval outline. Leyland Cypress has become one of the most popular evergreen privacy tree's since it came on the scene in the 1970's. Dig a hole about 2 times the size of the Leyland’s root ball system. In 1847, he gave it to his nephew John Naylor (1813–1889). The Leyland Cypress is an excellent choice for a fast growing large screening tree. In northern areas where heavy snows occur, this plant is also susceptible to broken branches and uprooting in wet, heavy snow. [23], Other cultivars include 'Douglas Gold', 'Leighton Green', 'Drabb', 'Haggerston Grey', 'Emerald Isle', 'Ferndown', 'Golconda', 'Golden Sun', 'Gold Rider', 'Grecar', 'Green Spire', 'Grelive', Haggerston 3, Haggerston 4, Haggerston 5, Haggerston 6, 'Harlequin', 'Herculea', 'Hyde Hall', 'Irish Mint', 'Jubilee', 'Medownia', 'Michellii', 'Moncal', 'Naylor's Blue', 'New Ornament', 'Olive's Green', 'Robinson's Gold', 'Rostrevor', 'Silver Dust', 'Variegata', 'Ventose', and 'Winter Sun'. This tree provides negligible wildlife benefits, but it does provide winter cover for songbirds and game birds. The amount of time it takes to grow your Leyland cypress 12 feet depends on the size you start with. If you're in a rush, pick the largest sapling to get off to a good start. Noted for its rapid growth and slender shape, the Leyland cypress has found wide popularity over a large range of the United States. Leyland cypress (× Cuprocyparis leylandii) is a fertile hybrid cross between Monterey cypress (Cupressus macrocarpa) and nootka false cypress (Chamaecyparis nootkatensis). Where Nootka cypress is considered as Cupressus nootkatensis, the hybrid is within the Cupressus genus and is therefore Cupressus × leylandii. Thank you for submitting your review. The cultivar 'Gold Rider'[21] has gained the Royal Horticultural Society's Award of Garden Merit (confirmed 2017),[22] though the original hybrid has now lost its AGM status. They are dark green, somewhat paler on the underside, but can have different colors, depending on the cultivar.