In this photo essay, I have featured the four most common spruce trees of Michigan, which share many of their species with the Central and Northeastern regions of the United States and Canada. They include in the following order:

• Norway spruce
• White Spruce
• Black Spruce
• Blue Spruce

For information about the 5 most common Pine trees of Michigan click HERE For information about the 2 most common Cedar trees of Michigan, click HERE For information about 3 unique native conifers of Michigan, click HERE . . .

Identitification traits include, leaves (needles), bark, seed cones, pollen cones, needle attachment, habit (form) or size, plus habitat and locations.

Norway Spruce (Picea abies)

The Norway Spruce tree is native to Central and Northern Europe, including Norway, but with extensive planting it has naturalized from Michigan to Connecticut in the United States and has been planted for centuries as far west as the Pacific Coast and Canada, becoming perhaps the most common spruce, rivaled only by the Colorado Blue spruce.

Norway Spruce Habitat – As a shade-tolerant species, the Norway spruce is an adaptable competitor. It forms a lower canopy layer beneath taller trees and, eventually, outgrows them. It adapts well to a variety of harsh soil conditions, including clay, rocky and dry soils, but will quickly die in wet soils. Once it is established, it can thrive under seasonal drought and tolerate city pollution.

Norway Spruce Size and Shape

• Moderately fast growth rate, large-sized tree, reaches 65 to 100 feet (20 to 30 meters) in height and 25 to 30 feet (7.5 to 9 meters) spread at maturity. Michigan Big Tree: 82 feet (25 meters) tall, Oakland County.
• The Norway spruce has a strong central leader with a narrow, spire-top crown and overall pyramidal shape; branches droop and swing upward; may or may not persist almost to the ground.

Norway Spruce needles are attached individually to orange/brown stems with a peg-like projection, visible to only the most discerning eye; one may even need a magnifying glass to see them. Typically, the needles are from 1/2 to I inch long; they feature a sharp to somewhat blunt tip, a shiny deep green color, and are arranged spirally around the twig.

Spruce Needles vs. Fir Needles As with all spruce varieties, if you pluck a needle, you can roll it between your fingers because they have four distinct sides. This distinguishes them from fir tree needles, which look much the same at first glance and are attached to their stems singly as well, but fir needles are flat and do not roll easily between your fingers. Also, fir needles are not attached to the stem by a peg-like projection as with all spruces.

Norway Spruce Tree pollen cones (male) and seed cone (female)

All spruce trees  are “monoecious” meaning a single tree produces both separate male (pollen-producing) and female (seed-producing) cones on the same plant. Like all spruce trees, the Norway Spruce male pollen cones release their flurry of crimson-yellow, tiny pollen scales by wind or animal disturbance in order to fertilize the more sturdy female seed cones, thereafter disintegrating.

Early spring, female seed cones of the Norway Spruce are more erect and bright red or pink. After being fertilized by the male pollen cones, the seed cones become green and hang downward, and not until autumn do they transform into the more recognizable reddish-brown woody cones with thin scales.

Norway Spruce seed cones are the largest among the spruces, measuring between 4 to 7 inches (10 to 18 cm) long. They are cylindrical in shape, orange-brown in color, and fall from the tree in the autumn of the second year. As with all spruce varieties, the seed cones grow downward from the branch pointing toward the ground and are situated from the treetop branches.

Upon maturity in autumn, the Norway spruce seed cones open up their scales to release winged seeds tucked inside; the part of the cone squirrels love to feast upon! Note: Most spruce trees have very similar winged seeds that vary only slightly, particularly by size.

Norway Spruce bark shows a distinct, thin, scaly pattern that reminds me of puzzle pieces, making it quite recognizable. The color of the bark can vary from greenish gray, to reddish tones to grayish brown.

White Spruce Tree (Picea glauca)

White Spruce Tree Location and Habitat

The White Spruce trees are native to Central and Northern Michigan and scattered locations in several other Northern U.S. states like Minnesota, New York and New England with isolated populations in the Black Hills of South Dakota and Montana; and much of Canada and Alaska. The white spruce has been heavily planted as an ornamental tree, as windbreakers and as one of the most popular Christmas trees.

• White Spruce prefers drier upland forests of moist, cool climates on shallow, rocky sites but is adaptable to clay and poorer soils. It is also well adapted to freezing conditions; it is able to establish in the shade under other species on moist or wet sites, gradually able to grow into the forest overstory. It is less resistance to disease compared the Colorado Blue Spruce.

White Spruce Tree Size and Shape

• The White Spruce tree is medium to slow growing, long-lived, medium-sized to large-size tree from 60 to 100 feet (18 to 30 meters) in height with approximately a 20-foot (6-meter) spread. Michigan Big Tree: 101 feet (31 meters) tall, Luce County.
• The White Spruce tree is typically lush, densely foliated with a pyramidal shape spread broadly towards the base. Branches grow upright towards the crown, especially on younger trees; the many branches grow from the trunk in a random pattern. The tree typically retains foliage on the lower branches.

White Spruce tree needles measure from 1/2 to 3/4 inches (1.3 to 2 cm). White spruce needles are four square and easily roll between your fingers; they are bluish-green to dark green in color, dull, sharp, and point somewhat forward towards the tip of the branch, about 60 degrees. Their common name refers to the waxy layer on young needles.

• White spruce is also known as Canadian Spruce, Skunk Spruce or Cat Spruce due to the pungent smell of the needles.

White Spruce tree needles are attached singly to the twig with a peg-like projection and wrap around the entire stem. The stems and twigs are yellow-tan to light gray and are not as reddish as the Norway Spruce.

White Spruce Male Pollen Cones

White spruce male pollen cones are scattered throughout the tree canopy in the spring serving as a source of pollen by the wind or animal disturbance for the female seed cones, disintegrating sometime thereafter. As with the majority of conifers, the White Spruce tree is monoecious with both male and female cones.

White Spruce Seed Cones

White Spruce tree seed cones (female) are small, measuring about 1 to 2 inches (2.5 to 5 cm) in length with a cylindrical oblong shape; they are slightly firm. Color remains medium green throughout much of the summer, turning light brown to reddish-brown in autumn and winter when they release their seeds. The scales have straight edges. The cones grow from branches pointed toward the ground covering the upper third portion of the tree, as with all the spruces. They fall off the tree the first year.

White Spruce tree female seed cones (pinecones) are much smaller than some of their cousin species as demonstrated in the photo above. The photo also demonstrates the varying sizes of seed cones from the same species.

White Spruce tree bark is somewhat thin and scaly with irregular patterns. The bark is typically gray-brown becoming darker with age. It peels off in small, thin, irregular, or circular plates, becoming rougher with age. Bark is often unseen as the dense foliage and branches persist close to the ground.

Black Spruce Tree (Picea mariana)

Black Spruce Tree Location and Habitat

The native Black Spruce trees occur naturally in the Northeastern United States and three Midwestern States of Minnesota, Wisconsin, and Michigan, extending from the northern range of North America to Alaska, spreading wide across Canada, reaching north all the way to the very limit of tree growth. (See map below for Michigan location by county).

• Black Spruce is found in the low country restricted to bogs on the southern end of its range. Northward, these spruce trees can be found on the edges of wetlands, dune ridges, or gravelly shores.
• Due to their preference for damp conditions, Black Spruce trees are also known as “Swamp Spruce” or “Bog Spruce”. The species’ scientific name refers to the US state of Maryland.

Black Spruce Size and Shape

• Black Spruce is a small to medium-sized tree with slow growth rate, reaches up to 60 feet (18 meters) in height in ideal condition with a 20 to 30 foot (6 to 9 meter) spread. Michigan Big Tree: 65 feet (20 meters) tall, Isabella County.
• The Black Spruce tree form is slender, straight, and slightly tapered. In closed stands, the tree self-prunes lower branches; has a narrow irregular, conical, spire-like crown of short slender branches. The top crown can sometimes be club-shaped. Branches tend to droop sometimes turning up at the very tips.

Black Spruce needles are the shortest and most blunt among the spruces measuring from 1/4 to 5/8 inches (7 to 19 cm). Needles have a slight curve tending to grow from the stem at a forward angle. They exhibit the typical spruce, four-square shape making them easy to roll between your fingers. They are blue-green and slightly darker than other spruces bearing the name sake; needles persist on the tree 7 to 10 years.

The Black Spruce needles attach singly to the stem using a peg-like projection. Differentiating them from other spruce species, though, is the presence of tiny hairs growing on the stems between needles which are difficult to see with the naked eye, but tend to rub off by winter. (Enlarge the photo above to see the tiny hairs)

Black Spruce seed cones are the smallest of the spruces measuring approximately 5/8 to 1.25 inches (1.6 to 3 cm) with an overall rounded to egg shape. At maturity in autumn of the first year, they become darker brown than other spruce species with fan-shaped close-fitting scales exhibiting uneven slightly fringed edges. The cones spread along the top portion of the tree persisting on branches for many years, opening intermittently during drying and releasing of seeds for 1-2 years.

Black Spruce bark is thin, scaly, grayish-brown, separating into thin ragged scales. It is often described as having a somewhat “scabby” appearance, and the inner bark has a light, olive-green color. 

Colorado Blue Spruce (Picea pungens)

The Colorado Blue Spruce tree is a native species scattered throughout North America but is not native to Michigan. These tree have been widely planted outside of their natural range, including Michigan, for its beauty, particularly the blue-green needles, making it a favorite among Michiganders, (trees in the Rocky Mountains vary greatly in foliage color).

• The blue spruce grows well on almost any upland soil, is drought-resistant and shade tolerant.

Blue Spruce Size and Shape

• The Blue Spruce is a medium-sized tree with medium to slow growth rate reaching up to 75 feet (23 meters) in the wild, but rarely higher than 50 feet (15 meters) in city landscapes with a 10 to 20 foot (3 to 6 meter) spread.
• The Blue Spruce tree trunk is straight; crown is somewhat pyramidal with dense foliage; branches reach to the ground making the tree an excellent wind break, snow break or privacy barrier. Older branches are often down-swept in large trees; branches grow in layered arrangement around trunk.

Blue Spruce needles measure approximately 1 inch (2.5 cm) long, are dull, sharp and radiate outwards in all directions rather than pointing forward from the stem, making them problematic to handle. New growth is waxy and gray to bluish-green in color with conspicuous stripes, but there are green forms called green spruce, dependent on how much wax forms on the needle surface.

Blue spruce needles grow singly from the stem attached by a peg-like projection, as with all spruce trees. Blue Spruce needles spiral around a reddish-brown stem.

Blue Spruce Tree “Male” Pollen Cones – Early Spring to Late Spring

Early to mid-spring the male pollen cones of the Blue Spruce appear conspicuously; shaped oblong with narrow ends, colored pinkish-red spreading throughout the tree crown serving as the pollinator for the female seed cones by wind or animal disturbance. By late-May to mid-June, the male pollen cones on all spruce trees turn brown and begin to disintegrate. Look closely at the needles in the photo above and you will notice tiny brown flakes caused by the male pollen cones beginning the process to pollenate to the female seed-cones. Spruce trees are “monoecious”, meaning with both male and female producers.

Blue Spruce seed cones are oblong and pale brown reaching up to 4 inches (10 cm) long ripening in autumn of first season; they are located on the topmost branches of the crown. Compared to other spruce cones, the scales are thin and papery with raggedy edges. White sap drips are often seen on them, as with many other spruce tree cones.

Colorado Blue Spruce bark is thin, showing loosely attached scales which are coarsely flaked; as the tree matures, the bark develops shallow to deep furrows with thin, scaly plates; ranges in color from ash gray to purplish to gray-brown. The bark is usually unseen, as the tree typically branches to the ground throughout its life.

All rights reserved © Fossillady 2026