Christmas trees and ornaments
Christmas tree::Christmas treesInformation of Christmas tree used...Types of trees used  Both natural and artificial trees are used as Christmas trees. Natural treesThe best species for use are species of fir (Abies), which have the major benefit of not shedding the needles when they dry out, as well as good foliage colour and scent; but species in other genera are also used. Commonly used species in northern Europe are:
and in North America:
Several other species are used to a lesser extent. Less-traditional conifers are sometimes used, such as Giant Sequoia, Leyland Cypress and Eastern Juniper. Blue spruce can also be used as a Christmas tree, but has very sharp needles, making decorating uncomfortable. Virginia Pine is still available on some tree farms in the southeastern United States, however its winter colour is faded. The long-needled Eastern White Pine is also used there. Norfolk Island pine is sometimes used, particularly in the Oceania region, and in Australia some species of the genera Casuarina and Allocasuarina are also occasionally used as Christmas trees. Some trees are sold live with roots and soil, often from a nursery, to be planted later outdoors and enjoyed (and often decorated) for years or decades. However, the combination of root loss on digging, and the indoor environment of high temperature and low humidity is very detrimental to the tree's health, and the survival rate of these trees is low. These trees must be kept inside only for a few days, as the warmth will bring them out of dormancy, leaving them little protection when put back outside into the midwinter cold in most areas. Others are produced in a container and sometimes as topiary for a porch or patio. European tradition prefers the open aspect of naturally-grown, unsheared trees, while in North America (outside western areas where trees are often wild-harvested on public lands [1]) there is a preference for close-sheared trees with denser foliage, but less space to hang decorations. The shearing also damages the highly attractive natural symmetry of unsheared trees. In the past, Christmas trees were often harvested from wild forests, but now almost all are commercially grown on tree farms. Almost all Christmas trees in the United States are grown on Christmas tree farms where they are cut after about ten years of growth and new trees planted. According to the United States Department of Agriculture (USDA) agriculture census for 2002 (the census is done every five years) there were 21,904 farms were producing conifers for the cut Christmas Tree market in America, 446,996 acres were planted in Christmas Trees, and 13,849 farms harvested cut trees. The top 5 percent of the farms (100 acres or more) sold 61 percent of the trees. The top 26 percent of the farms (20 acres or more) sold 84 percent of the trees. 21% of the farms were less than two acres and sold an average of 115 trees per farm. [2] In the UK, The British Christmas Tree Growers Association represents the interests of all those who grow Christmas trees in Great Britain and Northern Ireland. Artificial trees Artificial trees have become increasingly popular, as they are considered more convenient and (if used for several years) less expensive than real trees. Trees come in a number of colours and "species", and some come pre-decorated with lights. At the end of the Christmas season artificial trees can be diassembled and stored compactly. Artificial trees are sometimes even a necessity in some rented homes (especially apartment flats), due to the potential fire danger from a dried-out real tree, leading to their prohibition by some landlords [citation needed]. They may also be necessary for people who have an allergy to conifers, and are increasingly popular in office settings [citation needed]. Feather treesThe first artificial trees were tabletop feather trees, made from green-dyed goose feathers wound onto sticks drilled into a larger one, like the branches on a tree. Originating in Germany in the 19th century to prevent further deforestation, these "minimalist" trees show off small ornaments very well. The first feather trees came to the U.S. in 1913, in the Sears, Roebuck and Company catalog. Modern treesThe first modern artificial Christmas trees were produced by companies which made brushes. They were made the same way, using animal hair (mainly pig bristles) and later plastic bristles, dyed pine-green colour, inserted between twisted wires that form the branches. The bases of the branches were then twisted together to form a large branch, which was then inserted by the user into a wooden pole (now metal with plastic rings) for a trunk. Each row of branches is a different size, colour coded at the base with paint or stickers for ease of assembly. The first trees looked like long-needled pine trees, but later trees use flat PVC sheets to make the needles. Many also have very short brown "needles" wound in with the longer green ones, to imitate the branch itself or the bases that each group of pine (but not other conifer) needles grows from. These trees have become a little more realistic every year, with a few deluxe trees containing multiple branch styles. Many trees now come in "slim" versions, to fit in smaller spaces. Most of the better trees have branches hinged to the pole, though the less-expensive ones generally still come separately. The hinged branched trees just need for the branches to be lowered. But they are a little less compact. Better trees also have more branch tips, the number usually listed on the box. Around 2003, some trees with moulded plastic branches started selling in the U.S. Now there are also upside down christmas trees. These christmas trees are advertised to "Give you more space for presents". Designer treesThe first trees which were not green were the metallic trees of the 1950s and 1960s. They were aluminium-coated paper, meaning that they also posed a great fire hazard if lights were put directly on them (warnings to this effect are still issued with most christmas tree lights). They were instead lit by a spotlight or floodlight, often with a motorised rotating color wheel in front of it. More recent tinsel trees can be used safely with lights. Other artificial trees which look nothing like a conifer except for the triangular or conical shape, are also used as tabletop decorations, such as a stack of ornaments. Outdoor treesOutdoor branched trees made out of heavy white-enameled steel wires have become more popular on U.S. lawns in the 2000s, along with 1990s spiral ones that hang from a central pole, both styles being lighted with standard miniature lights. These lights are usually white, but often are green, red, red/green, blue/white, blue, or multicoloured, and sometimes with a small controller to fade colours back and forth. A few hotels and other buildings, both public and private, will string lights up from the roof to the top of a small tower on top of the building, so that at night it appears as a lit Christmas tree, often using green or other coloured lights. Some skyscrapers will tell certain offices to leave their lights on (and others off) at night during December, creating a Christmas tree pattern. Other gimmicks Since the late 1990s, many indoor artificial trees come pre-strung with lights. Some are instead lit partly or completely by fibre optics, with the light in the base, and a rotating colour wheel causing various colours to shimmer across the tree. In 2005 inverted trees became popular. They were originally sold as decorations for merchants that allowed customers to get closer to ornaments being sold. Customers then wanted to replicate the inverted tree. Retailers also claimed that the trees were popular because they allowed larger presents to be placed beneath the trees. Past gimmicks include small talking or singing trees, and trees which blow "snow" (actually small styrofoam beads) over themselves, collecting them in a decorative cardboard bin at the bottom and blowing them back up to the top through a tube hidden next to the trunk. A long-standing and simple gimmick is conifer seedlings sold with cheap decorations attached by soft pipe cleaners. Real potted ones are often sold like this, and artificial ones often come with a "root ball" but only sometimes with decorations. Environmental issuesThere is some debate as to whether artificial or real trees are better for the natural environment. Artificial trees are usually made out of PVC, a toxic material which is often stabilised with lead. Some trees have a warning that dust or leaves from the tree should not be eaten or inhaled. A small amount of real-tree material is used in some artificial trees. For instance, the bark of a real tree can be used to surface an artificial trunk. Polyethylene trees are less toxic, though more expensive, than PVC trees [3]. Artificial trees can be used for many years, but are usually non-recyclable, ending up in landfills. Real trees are used only for a short time, but can be recycled and used as mulch or used to prevent erosion [4]. Real trees also help reduce the amount of carbon dioxide in the atmosphere while growing. Live trees are typically grown as a crop and replanted in rotation after cutting, often providing suitable habitat for wildlife. In some cases management of Christmas tree crops can result in poor habitat since it involves heavy input of pesticides. Organically grown Christmas trees are available in some markets, and as with many other crops, are widely held to be better for the environment. Dr. Patrick Moore, a co-founder and former president of Greenpeace, writes:
Decoration and ornamentsTinsel and several types of garland or ribbon are commonly used to decorate a Christmas tree. Delicate mould-blown and painted coloured glass Christmas ornaments were a specialty of Czech glass factories from the late 19th century, and have since become a large industry, complete with famous-name designers. Lighting with candles or electric lights (fairy lights) is commonly done, and a tree topper completes the ensemble. Strands of tinsel may be hung in groups from longer branches to simulate icicles, though this trend has gradually fallen off since the late 1970s. Baubles are another extremely common decoration, and usually consist of a fairly small hollow glass or plastic sphere coated with a thin metallic layer to make them reflective, and then with a further coating of a thin pigmented polymer in order to provide colouration. Individuals' decorations vary wildly, typically being an eclectic mix of family traditions and personal tastes; even a small unattractive ornament, if passed down from a parent or grandparent, may come to carry considerable emotional value and be given pride of place on the tree. Conversely, trees decorated by professional designers for department stores and other institutions will usually have a "theme"; a set of predominant colours, multiple instances of each type of ornament, and larger decorations that may be more complicated to set up correctly. Many people also decorate outdoor trees with food that birds and other wildlife will enjoy, such as garlands made from unsalted popcorn or cranberries, orange halves, and seed-covered suet cakes. Tree mats and skirts Since candles were used to light trees until electric bulbs came about, a mat (UK) or "skirt" (US) was often placed on the floor below the tree to protect it by catching the dripping candle wax, and also to collect any needles that fall. Even when dripless candles, electric lights and artificial trees have been used, a skirt is still usually used as a decorative feature: among other things, it hides the tree stand, which may be unsightly but which is an important safety feature of home trees. What began as ordinary cloth has now often become much more ornate, some having embroidery or being put together like a quilt. A nativity scene, model train, or Christmas village may be placed on the mat or skirt. As Christmas presents arrive, they are generally placed underneath the tree on the tree skirt (depending on tradition, all Christmas gifts, or those too large to be hung on the tree, as in "presents on the tree" of the song "I'll Be Home For Christmas"). Generally, the difference between a mat and skirt is simply that a mat is placed under the tree stand, while a skirt is placed over it, having a hole in the middle for the trunk, with a slot cut to the outside edge so that it can be placed around the tree (beneath the branches) easily. A plain mat of fabric or plastic may also be placed under the stand and skirt to protect the floor from scratches or water.
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