The bugs ruin fruit crops and invade homes. [26], Birch brushwood is used for racecourse jumps and besom brooms. The first sign of an infestation is when green spots appear on the leaves in late spring or early summer. "Silver Birch" redirects here. Yet, downy birches are characterised by hairy leaves and young shoots, whereas the same parts on silver birch are hairless. The silver birch is a hardy tree, a pioneer species, and one of the first trees to appear on bare or fire-swept land. This page was last edited on 30 December 2020, at 18:23. It will light when it’s damp because its natural oils are highly flammable. The Tree is a deciduous tree, it will be 5 - 25 m (16 - 82 ft) high. I’ve included a photo of the bug. [citation needed]. The silver birch typically reaches 15 to 25 m (49 to 82 ft) tall (exceptionally up to 31 m (102 ft)),[4] with a slender trunk usually under 40 cm (16 in) diameter. [4], The leaves have short, slender stalks and are 3 to 7 cm (1.2 to 2.8 in) long, triangular with broad, untoothed, wedge-shaped bases, slender pointed tips, and coarsely double-toothed, serrated margins. Old trees are often killed by the decay fungus Piptoporus betulinus and fallen branches rot rapidly on the forest floor. Damaged birch trees pose a hazard because they are susceptible to dropping branches. The flowers are catkins and the light, winged seeds get widely scattered by the wind. Silver birch is a quick-growing, deciduous tree that can reach heights of 65 feet. Many species of birds and animals are found in birch woodland, the tree supports a wide range of insects and the light shade it casts allows shrubby and other plants to grow beneath its canopy. [8] It has been introduced into North America, where it is known as the European white birch, and is considered invasive in the states of Kentucky, Maryland, Washington, and Wisconsin. Silver Birch Botanical Description: Silver Birch Trees are fast growing, attractive trees. [9] It is naturalised and locally invasive in parts of Canada. It makes a good firewood, but is quickly consumed by the flames. You can buy lady bug cultures from gardening supply stores, and they can be quite effective in controlling the pests. For the racehorse, see, CS1 maint: multiple names: authors list (, 10.2305/IUCN.UK.2014-3.RLTS.T62535A3115662.en. 0:28. Hybrids between the two are known, but are very rare, and being triploid, are sterile. The silver birch is a medium-sized deciduous tree that owes its common name to the white peeling bark on the trunk. [24] Silver birch is often planted in parks and gardens, grown for its white bark and gracefully drooping shoots, sometimes even in warmer-than-optimum places such as Los Angeles and Sydney. [6] Cultivated paper birches have a much shorter life if they are grown in the home landscape. With their beauty comes susceptibility to aphids. The leaf base of silver birch is usually a right angle to the stalk, while for downy birches, it is rounded. The edge of the leaf is doubly toothed (unlike the downy birch which is singly toothed). The Wildlife Trusts is a movement made up of 46 Wildlife Trusts: independent charities with a shared mission. Educational videos on nature (Silver Birch with Shield bug - June 2017) by Exeter Trees. There are four silver birch trees in Warwick Gardens, standing majestically near the railway line and flanked by a hornbeam and a red horse chestnut tree. [6], Several varieties of B. pendula are no longer accepted, including B. pendula var. Adults hibernate over winter, emerging in spring to lay their eggs. [13] The two have differences in habitat requirements, with silver birch found mainly on dry, sandy soils, and downy birch more common on wet, poorly drained sites such as clay soils and peat bogs. Toothed ( unlike the downy birch which is singly toothed ) any tree, with. 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