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Picea glauca

Picea glauca
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Picea glauca (Picea glauca) — botanical photograph
Pl. 8BDE — Picea glauca
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I

Overview

Picea glauca, commonly known as white spruce, is a coniferous tree native to the northern regions of North America, including Alaska, Alberta, British Columbia, Idaho, Illinois, Labrador, Maine, Manitoba, and other parts of Canada and the United States. This hardy tree thrives in moist, wet environments with light (sandy), medium, or heavy (clay) soil types and is well-suited to zones 2-6. White spruce can grow up to 15 meters tall and is known for its distinctive white to grayish-green needles and short, slender cones. The tree has multiple practical uses, making it a valuable resource in various contexts. It serves as an ornamental plant due to its attractive appearance and is also used for lumber, crafting, and weaving material. The inner bark, flowers, seeds, seedpods, and shoots are edible parts that can be consumed, providing a range of culinary applications such as condiments and teas. White spruce has been introduced into several European countries including Austria, Denmark, Finland, Føroyar, Great Britain, Iceland, Norway, Poland, Sweden, and others. This adaptability makes it a versatile choice for cultivation in diverse environments. While the tree is generally safe to use, caution should be exercised when consuming any part of the plant, as individual reactions can vary. In summary, Picea glauca is a fast-growing coniferous tree that thrives in full sun and moist soil conditions. Its ornamental value, utility in various crafts, and edible parts make it a valuable addition to both natural landscapes and cultivated gardens.

Quick answers

What is Picea glauca?

Picea glauca, commonly known as white spruce, is a coniferous tree native to the northern regions of North America, including Alaska, Alberta, British Columbia, Idaho, Illinois, Labrador, Maine, Manitoba, and other parts of Canada and the United States.

Growingconditions · propagation · uses
V

Cultivation

Picea glauca thrives in full sun and prefers moist to wet soil that is light (sandy), medium, or heavy (clay). It is hardy in zones 2-6 and can grow up to 15 meters tall. For propagation, the plant can be grown from seeds or inner bark. Edible parts include flowers, seedpods, shoots, and seeds, making it a versatile choice for those interested in edible landscaping.
Light
Full sun
Water
Moist, Wet
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
2-6
Mature size
15.0 m tall
For first-time growers

How to grow Picea glauca for the first time

8steps

Start with a simple Picea glauca tree to observe and care for in your garden.

  1. 1

    What you'll need

    A young Picea glauca sapling, well-draining soil, and a container or planting site.

  2. 2

    Best time to plant

    Plant Picea glauca in early spring or late fall when the ground is not frozen.

  3. 3

    Soil and container prep

    Ensure your soil is well-draining, with a pH between 5.0 and 7.5. For containers, use a mix of peat moss, perlite, and sand.

  4. 4

    Sowing or transplanting

    Transplant the sapling to its permanent location or a large container if you're growing it indoors.

  5. 5

    First two weeks

    Water regularly to keep the soil moist but not waterlogged. Monitor for any signs of stress or pests.

  6. 6

    Ongoing care

    Provide full sun and regular watering, especially during dry spells. Prune lightly in late winter to maintain shape.

  7. 7

    Harvest or pruning

    Prune branches as needed to keep the tree healthy and well-shaped. Avoid harvesting parts for consumption.

  8. 8

    Common mistakes

    Overwatering, planting in heavy soil, not providing enough sunlight, and neglecting winter protection are common issues.

VI

Edible & utility

Edible parts:FlowersInner barkSeedSeedpodShoots
Edible uses: Condiment, Gum, Tea
Other uses:Baby careDyeGumCraftingPitchWind breakerWeaving materialTanninWaterproofingLumberFragrance
Contextrange · companions · related
VII

Distribution

27 native · 9 introduced
Distribution across2 continents· 27 native· 9 introduced
Europe8 regions
introduced (8)AustriaDenmarkFinlandIcelandNorwayPolandSwedenUnited Kingdom
Americas1 region
native (1)United States
Broader regions
native:Alberta, British Columbia, Idaho, Illinois, Labrador, Maine, Manitoba, Michigan, Minnesota, Montana, New Brunswick, New Hampshire, New York, Newfoundland, Northwest Territorie, Nova Scotia, Nunavut, Ontario, Prince Edward I., Québec, Saskatchewan, South Dakota, Vermont, Wisconsin, Wyoming, Yukon
introduced:Føroyar
IX

Specimen gallery

1 image
Picea glauca (Picea glauca) — botanical photograph
Picea glauca (Picea glauca)
XI

Explore further

Companion planting
Growing zone
XII

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