Picea mariana spruce is native to Canada and the Northern United States. In these varieties, the blue shade is most pronounced, but many others have it to some extent as a species characteristic, i.e. вЂCoeruleaвЂ™ is a silvery, slow-growing variety, but in shape - a tree-like tree.вЂBlue PlanetвЂ™ вЂ“ a dense ball with protruding branches (Resembles the shape of a hedgehog).The вЂBlue WonderвЂ™ and вЂSanders BlueвЂ™ are small tree pyramids.вЂArnesonвЂ™s Blue VariegatedвЂ™ is the same, but only some branches tend to turn back.вЂAlberta BlueвЂ™ is a mutation of the famous вЂConikaвЂ™ variety. Its dwarf varieties are widely distributed. It has both bluish-green and blue forms in nature. It is characterized by a dense crown, bluish leaves-needles and a small (3.5-5 cm вЂ“ 1.4-2 inch) cone with thin wavy rounded scales. The most beautiful thing about this variation is that it sometimes takes on a beautiful blue uniform. It is an industrial wood that is used as planks for furniture or as a useful resin for other products. Despite its vast natural area, it is cultivated much less frequently and has few decorative forms. They are distinguished by pubescent young shoots, softer needles and small cones. Picea engelmannii is similar to its countryman prickly spruce. вЂFat AlbertвЂ™ is a very prickly, pugnacious variety with good growth.вЂCopelandвЂ™ вЂ“ with a weak, crooked, like a wind-beaten crown-pyramid.

вЂBlue totemвЂ™ and вЂIseli FastigiateвЂ™ вЂ“ with branches sticking up, forming a narrow, like a tongue of flame, crown.

вЂGlauca PendulaвЂ™ вЂ“ with irregular hanging branches.

вЂGlauca ProcumbensвЂ™ вЂ“ with a creeping crown.

вЂGlauca ProstrataвЂ™ вЂ“ with an elongated crown in the form of a wave.

вЂFirst BismarckвЂ™ вЂ“ with elongated branches and strongly blue needles.

вЂGloriaвЂ™, вЂJean IseliвЂ™, вЂSaint MaryвЂ™, вЂToumeвЂ™ вЂ“ with a shapeless crown.

вЂMontgomeryвЂ™ вЂ“ with the shape of the crown in the form of a regular hemisphere with a central leader.

The other variation is less common, although they appear in many ways. Other varieties of this group- вЂOldenburgвЂ™, вЂOmegaвЂ™, вЂMoerheimiiвЂ™, вЂSnowkistвЂ™, вЂThomsenвЂ™.ДЇrom the original low forms, we were often sold вЂGlauca GlobosaвЂ™ вЂ“ a вЂњSlowвЂќ variety of flattened shape. Special attention is paid to the blue uniform.ДЇrom more or less large вЂњurbanвЂќ varieties can be called вЂHotoвЂ™, which is well cut вЂHoopsiiвЂ™ вЂ“ very blue, but bad cut popular вЂ“ вЂKosterвЂ™. The fact is that prickly spruce is very resistant to urban conditions: gas pollution, chemical pollution and soil compaction, so this is an excellent option to entrust it with such dangerous tasks for conifers as landscaping streets and squares.Д«lue spruce was introduced to cultivation in 1862, and since then nurseries in different countries have bred geometrically correct and hardy varieties-pyramids for landscaping cities and selecting all sorts of curiosities for private owners. The dominance of these pure-blooded Americans in strategic locations is not ideological sabotage. Squares, boulevards of many cities (especially ceremonial ones, near state institutions) are decorated with slender rows of blue pyramids. In general, this spruce is the most common in urban landscaping. It lives in the Western states of the United States вЂ“ Colorado and Wyoming. The cone is the same shape as a regular spruce, but slightly smaller, and its scales are lighter, thinner and wavy.

Its branches are bristled with stiff pointed needles 2-3 cm (1.2-1.6 inch) long. The bark is brownish-gray, rather smooth, thin, cracks into pieces, and resin oozes out of it. The cone hangs, matures in the fall, opens its scales, and pours out its treasures. The needles are tetrahedral or flat, with the keel sitting on an elevation (a fold of the bark) and for some reason turned upside down. Most of the varieties of firs that we call blue or even silver are derived from the forms called вЂњglaucaвЂќ in Latin. In botanical descriptions, they have the form:Д«ut there are no clear boundaries between them. What color is considered blue is a personal matter for everyone. In some cases, this feature is due to light stripes-places of accumulation of stomata (holes for breathing), which stretch along the needles.

This shade gives the needles an excess layer of wax, always covering it to varying degrees. And some species of fir can boast a bluish color as a characteristic feature. They are especially welcome in ornamental gardening. They are usually green, but some spruce species have blue shapes, sometimes found in nature. Today we will talk about blue Christmas trees, which are so popular with modern gardeners.

Blue silver blue christmas tree ideas