Spruce trees and shrubs are classified in the genus picea which includes 35 species.
Green spruce tree.
This spruce will grow to be around 50 tall x 20 wide at maturity.
A spruce is a tree of the genus picea p aɪ ˈ s iː ə a genus of about 35 species of coniferous evergreen trees in the family pinaceae found in the northern temperate and boreal regions of the earth.
The wright brothers constructed the first aircraft called wright flyer using spruce wood.
Picea is the sole genus in the subfamily piceoideae spruces are large trees from about 20 60 m about 60 200 ft tall when mature and have whorled branches and conical form.
The spruce tree is symbolically used in the coat of arms of the finnish town of kuhmo.
Its average texture blends into the landscape but can be balanced by one or two finer or coarser trees or shrubs for an effective composition.
However the peg like structures called sterigmata or pulvini on the branches are retained making them rough.
These conifers feature needles attached to the branch by a swollen area called a pulvinus or.
When to prune spruce trees.
This tree is sometimes called green spruce to distinguish it from the forms with distinctly blue foliage.
The sitka spruce is the state tree of alaska.
It is the tallest variety of spruce featuring needle like straight and sharp leaves.
Colorado green spruce is a dense evergreen tree with a strong central leader and a distinctive and refined pyramidal form.
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It is considered to be part of the pinaceae family along with pine trees fir trees cedars hemlocks larches and a few other species.
It can reach up to 300 feet in the wild.
You should be able to identify a spruce tree just by looking at its needles.
This is a high maintenance tree that will require regular care and upkeep.
This is a positive sign that the tree is.
If a spruce suddenly blooms with light green covering the entire plant anytime from february through early summer it might just be initiating new growth.
Spruce needles fall off when the tree is 4 10 years old.
When you re ready to plant select an area with well drained soil dig a hole large enough to accommodate your spruce tree s root ball along with some extra width for mature growth place your tree and back fill the hole.
As well these trees are grown from seed so each has subtle genetic differences that can protect against mass disease or insect pest outbreaks or reactions to extreme weather conditions.
If you are cultivating sitka spruce it will remain shorter in the landscape area though make sure there is sufficient room as it grows up to 100 feet tall.
Your fertilizing and pruning needs will vary as well but most spruces won t require pruning.