White Spruce (Picea glauca)

Size comparison drawing of the White Spruce compared to a person and other Spruce species

One thing we know about the White Spruce (Picea glauca) is that it is extremely tolerant of cold conditions. It is found in North America in boreal forests. Other people call it the Alberta white spruce, Black Hills spruce, cat spruce, Canadian spruce, western white spruce, and even Porslid spruce. This large evergreen conifer tree has a thin, scaly bark and a narrow crown. The glabrous shoots are pale buff-brown and the needle-like leaves are glaucous blue-green above. It produces greenish or reddish pendulous, cylindrical cones with thin, flexible scales while the seeds are black. The white spruce is slow-growing but long-lived.

White Spruces have a typical overall height between 40’-60’ (12.2-18.3 m) and spread diameter of 10’-20' (3-6.1 m). Exceptional mature White Spruce trees may grow to a height of 140’ (43 m) in the wild. The trunk of the White Spruce has a diameter of 24”-39” (61-100 cm) with needle-like leaf lengths between .47”-.79” (12-20 mm).

Set of scaled dimensioned drawings of the White Spruce viewed from the front and top

How fast do spruce trees grow?

Spruce trees typically grow at a moderate rate, with an average growth rate of 13 to 24 inches (33-61 cm) per year. However, the rate of growth can vary depending on factors such as the species of spruce, the tree's environment, and the tree's age. In general, spruce trees tend to grow faster when they are younger, and their growth rate slows as they age.

What is the difference between spruce trees and pine trees?

One of the main differences between spruces and pines the shape of the needles. Spruce tree needles are typically four-sided and have a sharp, pointed tip, while pine tree needles are usually longer and more flexible, with a rounded tip. In addition, spruce tree cones are typically smaller and more cylindrical than pine tree cones. The scales on the cones of spruce trees are also more rigid, while the scales on pine tree cones are more flexible.

What are spruce trees typically used for?

One of the most common uses of spruce trees is as a source of wood. Spruce wood is light, strong, and easy to work with, making it a popular choice for construction, furniture-making, and other woodworking projects. In addition, spruce trees are used for their medicinal properties in some traditional and herbal remedies. The essential oils extracted from spruce trees have been used to treat a range of ailments, including respiratory issues, muscle pain, and stress.

How fast do spruce trees grow?

What is the difference between spruce trees and pine trees?

What are spruce trees typically used for?

How do you identify evergreen trees?

To identify an evergreen tree, look for the following characteristics: needles or leaves that remain green throughout the year, cones used for reproduction, a pyramidal or conical shape, rough or scaly bark, and a location with mild winters. Needles or leaves are typically thin and pointed. Cones can be small and unnoticeable or large and showy. The bark of an evergreen tree is often rough or scaly. Evergreen trees are often found in regions with mild winters, as they are adapted to retain their leaves throughout the year. By considering these characteristics, you can often identify an evergreen tree. It is always a good idea to do additional research to confirm the identification of a tree.

How long do evergreen trees live?

The lifespan of an evergreen tree depends on the specific species and its growing conditions. Some evergreen trees can live for hundreds of years, while others have a shorter lifespan. For example, some species of pine tree can live for hundreds of years, while others may only live for 50-100 years. Factors that can influence the lifespan of an evergreen tree include the tree's location, soil conditions, and exposure to pests and diseases. Proper care, including regular watering and pruning, can also help to extend the lifespan of an evergreen tree.

How do you prune an evergreen tree?

Pruning an evergreen tree involves using the right tools, making precise cuts, and shaping the tree to maintain its natural appearance. Start by selecting the right tools for the job, such as pruning shears or loppers for small branches and a pruning saw for larger branches. When making cuts, be sure to cut branches at a slight angle, just above a bud or lateral branch. Avoid leaving a stub, as this can lead to disease. Remove any dead or damaged branches as close to the trunk as possible. To shape the tree, prune the top of the tree slightly higher than the sides to maintain a natural appearance. Regularly monitor the tree for any dead or damaged branches that need to be removed. Proper pruning techniques can help to maintain the health and appearance of the tree.

How do you identify evergreen trees?

How long do evergreen trees live?

How do you prune an evergreen tree?

How do gymnosperms reproduce?

Gymnosperms, also known as naked seed plants, reproduce through the production of seeds. These seeds are not enclosed in fruit, but rather are exposed on the surface of scales or leaves. Pollination, the transfer of pollen from the male reproductive organs to the female reproductive organs, is required for fertilization and seed production. In gymnosperms, pollination is typically accomplished by wind or insects.

What is the most well known gymnosperm?

The most well-known gymnosperm plant is probably the conifer, which includes species such as pine trees, spruce trees, and cedar trees. Conifers are woody plants that are characterized by their needle-like leaves and the production of seeds in cones. Conifers are widely distributed throughout the world and are a major component of many forests. They are also popular as ornamental plants and are often used in landscaping. In addition to conifers, other well-known gymnosperm plants include cycads and ginkgos.

Why are some gymnosperms called 'living fossils'?

Some gymnosperms are referred to as "living fossils" because they have remained relatively unchanged for millions of years and have a long fossil record. These plants have survived through numerous geological and climatic changes and have persisted despite the emergence of many other plant groups. For example, the cycad plant, a type of gymnosperm, has a fossil record dating back to the Permian period, over 280 million years ago. Despite their ancient origins, cycads are still found in tropical and subtropical regions today.

How do gymnosperms reproduce?

What is the most well known gymnosperm?

Why are some gymnosperms called 'living fossils'?

Details

Under Development

Height:

40’-60’ | 12.2-18.3 m

Width:

10’-20' | 3-6.1 m (Spread)

Depth:

24”-39” | 61-100 cm (Trunk)

Length:

.47”-.79” | 12-20 mm (Needle)

Height (Exceptional):

140’ | 43 m (Max)

Weight:

Area:

Scientific Name:

Picea glauca

Properties

Drawings include: 
White Spruce front elevation, plan view

Links

Wikipedia - White Spruce

Wikipedia - Spruce

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