Organic Gardening Tips and Methods A Guide To Trees Part one Section Four Large Trees For Winter/All Year Interest • Eucalyptus dalrympleana (Mountain gum); Vigorous, evergreen tree. Creamy-white, young bark becomes pinkish-grey, then peels. Leaves are long, narrow and pendent. Clusters of white flowers appear in late summer and autumn. Height 100ft (30m), Spread 75ft (22.5m). Frost hardy/half hardy, prefers sun and well-drained soil. # • Archontophoenix alexandrae (Alexandra palm, Northern bungalow palm); Evergreen palm with feathered-shaped, arching leaves. Mature trees bear sprays of small, white or cream flowers. Minimum temperature 15 degrees-C (59 degrees-F). Height 100ft (30m), Spread 75ft (22.5m), prefers sun and well-drained soil. • Betula pendula Tristis (Weeping birch); Deciduous, slender, elegant tree with a strongly weeping habit and white bark. Oval, bright green leaves, with toothed margins, provide excellent golden colour in autumn. Height 100ft (30m), Spread 75ft (22.5m). Fully hardy, prefers sun and well-drained soil. # • Macadamia integrifolia (Macadamia nut, Queensland nut); Evergreen, spreading tree with edible, brown nuts in autumn. Has whorls of leathery, semi-glossy leaves and panicles of small, creamy-yellow flowers in spring. Minimum temperature 10-13 degrees-C (50-55 degrees-F). Height 100ft (30m), Spread 75ft (22.5m). Prefers sun and moist soil. • Nothofagus betuloides; Evergreen, columnar tree with dense growth of oval, glossy, dark green leaves on bronze-red shoots. Height 100ft (30m), Spread 75ft (22.5m). Frost hardy/half hardy. Prefers sun and moist soil. • Malus baccata var mandschurica; Vigorous, deciduous, spreading tree with dark green leaves and a profusion of white flowers in clusters in mid-spring, followed by long lasting, small, red or yellow crab apples. Height 100ft (30m), Spread 75ft (22.5m). Fully hardy, prefers sun and moist soil. • Betula papyrifera (Canoe birch, paper Birch); Vigorous, deciduous, open-branched, round-headed tree with peeling, shiny, white bark, yellowish catkins in spring and oval, coarsely serrated leaves that turn clear yellow in autumn. Height 100ft (30m), Spread 75ft (22.5m). Fully hardy, prefers sun and well-drained soil. • Betula ermanii; Deciduous, open branched, elegant tree that has peeling, pinkish-white bark, distinctively marked with large lenticels. Oval, glossy, green leaves give excellent autumn colour. Height 100ft (30m), Spread 75ft (22.5m). Fully hardy, prefers sun and well-drained soil. • Ficus benghalensis (Banyan); Evergreen, wide-spreading tree with trunk-like prop roots. Has oval, leathery leaves, rich green with pale veins, to 20cm (8in) long, and small, fig-like, brown fruits. Minimum temperature 15-18 degrees-C (59-64 degrees-F). Height 100ft (30m), Spread 75ft (22.5m). ! • Eucalyptus coccifera (Tasmanian snow gum); Evergreen tree with peeling, blue-grey bark and aromatic, pointed, grey-green leaves. Bears clusters of white flowers with numerous stamens, in summer. Height 100ft (30m), Spread 75ft (22.5m). Frost hardy/Half hardy. Prefers sun and well-drained soil. # • Eucalyptus gunnii (cider gum); Evergreen, conical tree with peeling, cream, pinkish and brown bark. Leaves are silver-blue when young, blue-green when mature. Clusters of white flowers, with numerous stamens, appear in mid-summer. Frost hardy/Half hardy. Height 100ft (30m), Spread 75ft (22.5m). Prefers sun and well-drained soil. # • Ficus elastica Doescheri (Rubber plant); Strong-growing, evergreen, upright then spreading tree with oblong to oval, leathery, lustrous, deep green leaves, patterned with grey-green, yellow and white. Minimum temperature 10 degrees-C (50 degrees-F). Height 100ft (30m), Spread 75ft (22.5m). Prefers sun and well-drained soil. ! # • Quercus x turneri; Semi-evergreen, rounded, dense tree. Lobed, leathery, dark green leaves fall just before new foliage appears in spring. Height 100ft (30m), Spread 75ft (22.5m). Full hardy, prefers sun and well-drained soil. • Nothofagus dombeyi; Evergreen, loosely conical tree of elegant habit with shoots that droop at the tips. Leaves are sharply toothed glossy and dark green. Height 100ft (30m), Spread 75ft (22.5m). Frost hardy/Half hardy, prefers sun and moist soil. • Quercus suber (Cork oak); Evergreen, round-headed tree with thick, corky bark. Oval, leathery leaves are glossy, dark green above and greyish beneath. Height 100ft (3om), Spread 75ft (22.5m). Frost hardy/Half hardy, prefers sun and well-drained soil. • Washingtonia robusta (Thread palm); Fast-growing, evergreen palm with large, fan-shaped leaves and, in summer, tiny, creamy-white flowers in large, long-stalked sprays. Black berries appear in winter to spring. Minimum temperature 10 degrees-C (50 degrees-F). Height 100ft (30m), Spread 75ft (22.5m). Prefers sun and well-drained soil. • Syagrus romanzoffiana (Queen palm); Majestic, evergreen palm. Has feather-shaped leaves with lustrous, green leaflets. Mature trees carry clusters of yellow flowers in summer. Minimum temperature 18 degrees-C (50 degrees-F). Height 100ft (30m), Spread 75ft (22.5m). Prefers sun and well-drained soil. • Quercus x hispanica Lucombeana (Lucombe oak); Semi-evergreen, spreading tree with toothed leaves, glossy, dark green above, grey beneath. Height 100ft (30m), Spread 75ft (22.5m). Fully hardy, prefers sun and well-drained soil. # • Betula albosinensis (White Chinese birch); Deciduous, open-branched, elegant tree with serrated, oval to lance-shaped, pale green leaves. Peeling bark is honey-coloured or reddish-maroon with grey bloom. Height 100ft (30m), Spread 75ft (22.5m). Fully hardy, prefers sun and well-drained soil. # • Umbellularia californica (Californian laurel); Evergreen, spreading tree with aromatic, leathery, glossy, dark green leaves and creamy-yellow flowers in late spring. Pungent leaves may cause nausea and headache when crushed. Height 100ft (30m), Spread 75ft (22.5m). Frost hardy/Half hardy, prefers sun and moist soil. ! • Malus hupehensis (Hupeh crab); Vigorous, deciduous, spreading tree. Has deep green leaves, large fragrant, white-flowers, pink in bud, from mid to late spring, followed by small, red-tinged, yellow crab apples in late summer and autumn. Height 100ft (30m), Spread 75ft (22.5m). Fully hardy, prefers sun and well-drained soil. # • Salix daphnoides (Violet willow); Fast-growing, deciduous, spreading tree. Has lance-shaped, glossy, dark green leaves, silver, male catkins in spring and purple shoots with bluish-white bloom in winter. Height 100ft (30m), Spread 75ft (22.5m). Fully hardy, prefers sun and moist soil. • Salix alba var vitellina (Golden willow); Deciduous, spreading tree, usually cut back hard to promote growth of strong, young shoots that are bright orange-yellow in winter. Lance-shaped, mid-green leaves appear in spring. Height 100ft (30), Spread 75ft (22.5m). Fully hardy, refers sun and moist soil. # • Salix x sepulcralis var chrysocoma (Golden weeping willow); Deciduous tree with slender, yellow shoots falling to the ground as a curtain. Yellow-green, young leaves mature to mid-green. Height 100ft (30m), Spread 75ft (22.5m). Fully hardy, prefers sun and moist soil. # References to symbols of marked plants: Symbols; # = RHS Garden Merit Award ! =Indicates that plant is toxic, Could/Will cause sickness if digested and or skin irritation. PH> = Needs Acid soil (Ericaceous Soil required). NOTE; All information given coincides and complies to the guidelines of The Royal Horticultural Society (RHS).
Posted on: Mon, 01 Sep 2014 07:21:22 +0000