The world's tallest Christmas Tree isn't on the White House lawn or in Trafalgar Square this year: it's in the Styx Valley, a tract of ancient forest in Tasmania. It's a living, 84 meter (276 foot) Eucalyptus tree, currently home to a half dozen activists who for more than a month have lived in its heights, protecting it from being cut down.
Different nations have different size trees. Some have none. Not all celebrate Christmas.
32 feet
A silver dollar eucalyptus tree is an evergreen tree that is also known as the silver dollar gum. They are native to southeast Australia and grow quickly. "Silver dollar" is the name given to them in the US. They are variously known as the Silver-leaved Gum or Silver-leaved Mountain Gum in Australia.
Dollar Tree is usually open all Holidays (though with limited operational hours) with the exclusion of Christmas Day.
silver
a partrige in a pear tree
A silver christmas tree is not a tradition in any specific country but, nevertheless, some online stores sell them. One could buy one online and it would be shipped home. Examples for online stores selling silver christmas trees: Sears, Amazon, Meijer and BrandsonSale
It is in fact open. Until 7 PM if I am not mistaken.
Christmas ribbon can be purchased at many stores during the holiday season. Hobby and craft stores sell Christmas ribbons at all times of the year. K-Mart, Dollar Tree, Dollar General, Target and Walmart sell Christmas ribbon.
During the time of Christmas, there are rarely any sales on Christmas decor. though after Christmas has passed, Christmas decor. items are usually on sale considering Christmas has ended. If not, try Dollar Tree.
Well, many people buy silver tinsel to decorate their Christmas tree. But simply the most reason is because Frankie Leso discovered the silver bell, and wrote a song. Therefore it became a color!!! 
The glittering material that is used as a Christmas decoration is tinsel. This tinsel is often used on the Christmas tree.
Either a fairy, or a gold or silver star.
There are many sources for Christmas party decorations. A good place to start would be your local dollar store such as Dollar General or Dollar Tree. Discount stores such as Walmart or Target also carry holiday party supplies.