How to Identify Spruce Trees by Species & Type

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A beginner’s guide to identifying spruce trees
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Spruce trees are robust evergreen trees that grow in cooler climates and are often used as Christmas trees during the holiday season. There are about 40 species of spruce trees worldwide, with several including the Colorado Spruce and the Norway Spruce being the most common. Like pines and firs, spruce trees have needles rather than leaves, which often makes it difficult to distinguish between these three types of trees. When you are identifying a tree, first make sure it's a spruce rather than a pine or fir. Then carefully examine the needles, bark, and cones to determine the species of spruce tree.

Spruce Tree Identification

Examine the tree to make sure you’re looking at a spruce. Spruce needles are individually attached to branches rather than in clusters, and their pine cones have smooth, thin scales that are easy to bend. Spruce trees are bushy and full with upturned branches. Further narrow down the type by considering the location.

Method 1
Method 1 of 3:

Examining the Tree

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  1. Before trying to narrow down the species of spruce tree, first make sure that you are not looking at a fir or pine. Examining the needles of the trees is the easiest way to make the distinction between them. The needles of a spruce tree are attached individually to its branches, as opposed to being in clusters. They also have four sides and roll easily between your fingers. [1]
    • The needles of pine trees grow in clusters, which makes them immediately distinguishable from spruce trees.
    • Like spruce needles, the needles of fir trees also grow individually. However, while spruce tree needles are sharply pointed and easy to roll between your fingers, fir needles are flatter, less pointy, and can't be rolled between your fingers.
  2. The cones of a spruce tree are also a good way to identify the tree. Cones grow from tree branches and contain the seeds of a tree. Spruces, pines, and firs all contain cones, as do other conifers like cedars and hemlock trees. Spruce cones have smooth, thin scales, and are quite flexible and easy to bend. Pine cones have scales that are thick, rough and woody, which makes the cones inflexible. [2]
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  3. The needles of spruce trees grow out of small woody pegs from the branches. When the needles fall from the tree, these pegs are left behind, giving the branches a rough feel. The pegs look like little three-dimensional dots along the surface of the branch. The branches of fir and pine trees lack these stalks, and therefore feel smoother than those of spruce trees. [3]
  4. Spruce trees are bushy and full, and have upturned branches. Fir trees, on the other hand, have downturned branches, making them easily distinguishable. Pine trees also have upturned branches but they have fewer branches which makes them look slightly sparser than spruce trees.
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Method 2
Method 2 of 3:

Narrowing Down the Spruce Species by Location

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  1. Certain kinds of spruce trees are common to certain locations. Note where the tree is located and research the kinds of spruce trees native to the area. Find an illustrated guide of trees in your region to help you identify the species of spruce.
    • The Colorado Spruce is common throughout the Pacific Northwest and the Midwest. [4]
    • The Red Spruce, the Black Spruce, and the Blue Spruce are all common varieties that typically grow in the Northeast.
    • The White Spruce and the Norway Spruce are prevalent both in the Northeast and the Northwest.
    • There are also several varieties of spruce that are native to countries in East Asia, Turkey, and areas of Western Europe.
  2. Different spruce species flourish in different conditions. Some spruce trees tend to grow only near water sources or places with rich soil, while others do well even in harsh climates. Take into account the area in which the spruce is growing.
    • The Colorado spruce grows best in environments that have rich, gravelly soil like the areas around rivers or streams. [5]
    • The Black Spruce typically grows in bogs and swamps, which is why it is also referred to as the Bog Spruce. [6]
    • The Red Spruce is often found in cool forests alongside other conifers. [7]
    • The White Spruce tends to grow in moist acidic soil around rivers or streams and often grows around other coniferous hardwood trees.
    • The Norway Spruce can grow in a variety of cooler climates, but flourishes in moist and acidic soils. [8]
  3. If you are trying to identify a Christmas tree, you may not know where the tree came from. If you are trying to identify what kind of spruce your Christmas tree is, ask the nursery you purchased it from. If you didn't purchase it from a store or nursery, you will have to look closely at the tree to identify it. [9]
    • The most common spruces used as Christmas trees are the Colorado Spruce and the White Spruce.
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Method 3
Method 3 of 3:

Determining the Spruce Type

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  1. The needles of the spruce differ among the various species of the tree. The color of the needles, their measurements, and even the smell when the needles are crushed can be helpful factors in identifying the tree.
    • The Colorado Spruce has blue or blue-silver needles that are quite sharp and are ¾ to 1 ½ inches long.
    • The Black Spruce has stubby needles that are only about ½ long.
    • The Red Spruce has yellow-green needles around ½ - 1 inch long that give off the scent of orange rind when they are crushed. [10]
    • The White Spruce has bluish-green needles that give off an unpleasant scent of skunk when crushed. [11]
    • The Norway Spruce has dark green needles that are about 1 inch long.
  2. The cones of spruce trees often vary between different species. Particularly pay attention to the measurements and the color of the cones. If the cones of the spruce do not match the descriptions of the most common spruces listed below, use a tree identification guide to help you narrow down the tree specie.
    • The Colorado Spruce has dark brown cones that are around 2-4 inches long.
    • The Black Spruce has roundish dark-purple cones that are ½ to 1 ½ inches long. The cones grow around the top of the tree. [12]
    • The Red Spruce has reddish-brown cones that are around 1 ½ inches long and are rough in texture. [13]
    • The White Spruce has thin cones that are about 1 ¼ to 2 inches in length. Its cones are light brown and very flexible.
    • The Norway Spruce has very large distinctive cones that grow about 4-7 inches and are light brown in color. [14]
  3. Spruce trees also have subtle variations in bark color among species. Though it may not give you an answer by itself, the bark color is also an additional factor to consider when identifying the tree.
    • The Colorado Spruce has thin bark that forms in small scales. The bark turns from pale grey to brown as the tree ages.
    • The Black Spruce has thin, scaly bark that is dark green-brown in color. [15]
    • The Red Spruce has bark with a reddish hue which is especially visible between the scales of the bark. [16]
    • The White Spruce has ash-brown, sometimes grayish bark.
    • The Norway Spruce has scaly bark that is a gray-brown. [17]
  4. For several species of spruce, the shape of the tree is the most obvious distinguishing feature. You can also use the height of the tree to narrow down the specie, but remember that the tree may not be fully grown. In general, spruces grow about 1 ft (0.30 m) a year, so a 6–8 ft (1.8–2.4 m) tall tree is probably around 6-10 years old. [18]
    • The Colorado Spruce has a squat, pyramidal shape. Mature trees grow 70-80 feet tall.
    • The Black Spruce has a narrow shape and often has a stalk-like top, since the branches at the top of the tree are quite short. It grows up to 50-70 feet tall. [19]
    • The Red Spruce grows straight and tall and is conical in shape/ It grows from 60-80 feet tall. [20]
    • The White Spruce has a broad base is often somewhat asymmetrical, especially toward the top of the tree. It grows 60-90 feet tall. [21]
    • The Norway Spruce grows very symmetrically, and often has branches that skim the ground, obscuring the trunk. It typically grows 80-90 feet tall. [22]
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Expert Q&A

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  • Question
    Do you recommend spruce, fir, or pine trees as Christmas trees?
    Matt Bowman
    Gardener & Owner, Tradition Market & Garden
    Matt Bowman is a Gardener, Landscaper, the Owner of Georgia Farm to Table, and the Owner of Tradition Property Services in Atlanta, Georgia. With over 20 years experience, he specializes in organic gardening, landscape maintenance, handyman services, homecare services, and supplying Christmas trees. Matt earned a BA in Journalism from the University of Georgia.
    Matt Bowman
    Gardener & Owner, Tradition Market & Garden
    Expert Answer
    Fir varieties tend to hold up the best in your home. Pines and spruces seem to dry out more quickly.
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  • Question
    Is there a spruce tree that has hanging branches?
    Community Answer
    Older, more mature Norway Spruce trees will often have hanging branches, especially on the lower end of the tree.
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  • Question
    What are the large jelly-like balls that occur in clusters on my blue spruce trees?
    Community Answer
    This sounds like sap or resin. Sap oozes through the open "wounds" in spruce trees and is very sticky. Eventually it will dry and can be used to make spruce gum, and can also be used for medicinal purposes.
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      • If the tree you are examining doesn't seem to be one of the most common species of spruce, search a guide book or the Internet for varieties of spruce trees most common to the area.
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      • The more up close you can get to the tree, the easier it will be to identify it.
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      • If you are trying to identify a spruce tree from a picture, try to get information on where the picture was taken and look closely at the shape and the needles of the tree, since you likely will not get a clear view of the bark or cones.
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      References

      1. ↑ https://ohioline.osu.edu/factsheet/anr-80
      2. ↑ https://ohioline.osu.edu/factsheet/anr-80
      3. ↑ https://ohioline.osu.edu/factsheet/anr-80
      4. ↑ https://csfs.colostate.edu/colorado-trees/colorados-major-tree-species/
      5. ↑ https://csfs.colostate.edu/colorado-trees/colorados-major-tree-species/
      6. ↑ https://www.michigan.gov/dnr/places/natural-areas/black-spruce-bog
      7. ↑ https://wildadirondacks.org/trees-of-the-adirondacks-red-spruce-picea-rubens.html
      8. ↑ https://www.arborday.org/trees/treeguide/TreeDetail.cfm?ItemID=924
      9. ↑ https://www.maine.gov/dacf/mfs/policy_management/woodswise/downloads/landowner_101/2021/05102021/Tree_ID_Forest_Trees_Of_Maine.pdf
      1. ↑ https://www.maine.gov/dacf/mfs/policy_management/woodswise/downloads/landowner_101/2021/05102021/Tree_ID_Forest_Trees_Of_Maine.pdf
      2. ↑ https://www.maine.gov/dacf/mfs/policy_management/woodswise/downloads/landowner_101/2021/05102021/Tree_ID_Forest_Trees_Of_Maine.pdf
      3. ↑ https://www.purdue.edu/fnr/extension/id-that-tree-black-spruce/
      4. ↑ https://www.maine.gov/dacf/mfs/policy_management/woodswise/downloads/landowner_101/2021/05102021/Tree_ID_Forest_Trees_Of_Maine.pdf
      5. ↑ https://www.fandm.edu/arboretum/complete-tree-species-listing/norway-spruce-picea-abies.html
      6. ↑ https://www.for.gov.bc.ca/hfd/library/documents/treebook/blackspruce.htm
      7. ↑ https://www.maine.gov/dacf/mfs/policy_management/woodswise/downloads/landowner_101/2021/05102021/Tree_ID_Forest_Trees_Of_Maine.pdf
      8. ↑ https://www.fandm.edu/arboretum/complete-tree-species-listing/norway-spruce-picea-abies.html
      9. ↑ Matt Bowman. Gardener & Owner, Tradition Market & Garden. Expert Interview. 21 April 2020.
      10. ↑ https://www.for.gov.bc.ca/hfd/library/documents/treebook/blackspruce.htm
      11. ↑ https://www1.maine.gov/dacf/mfs/publications/handbooks_guides/forest_trees/pdf/Spruce.pdf
      12. ↑ https://www1.maine.gov/dacf/mfs/publications/handbooks_guides/forest_trees/pdf/Spruce.pdf
      13. ↑ https://www1.maine.gov/dacf/mfs/publications/handbooks_guides/forest_trees/pdf/Spruce.pdf

      About This Article

      Article Summary X

      To identify spruce trees, first look at the needles. If they’re are attached individually to branches, have 4 sides, and roll easily between your fingers, it’s a spruce. Then, check the cones, which on spruce trees have smooth, thin scales and are easy to bend. You can also look at the shape of the branches, which will be bushy, full, and upturned if it's a spruce. To learn how to identify spruce trees by their geographic location, keep reading!

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        Aug 14, 2017

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