Scientific Name:
Picea glauca
Pronunciation:
PYE-see-uh GLAW-kuh
Common Name:
white spruce
Family Name:
Pinaceae
Plant Type:
Conifer
Key ID Features:
Needles 12-20(-25)mm long, 4-sided, blue-green above with several thin lines of stomata, and blue-white below with two broad bands of stomata; seed cones pendulous, slender, ovoid-cylindric, 3-6(-11)cm long x 1.5cm wide when closed and 2.5cm when open, scales thin and flexible, to 15mm long, with a smoothly rounded margin; seeds black, 2-3mm long, with a slender, pale brown wing 5-8mm long. Conifers.org
Habit:
Upright
Form:
Pyramidal - narrowly, Pyramidal - widely
Texture:
Fine
Mature Height:
22 - 30m
Mature Spread:
4 - 5m
Growth Rate:
Fast
Origin:
North America
Hardiness Rating:
Zone 2: (-46 to -40 °C)
Exposure:
Full sun, Part sun/part shade
Soil/Growing Medium:
Acidic
Water Use:
Moderate
Landscape Uses:
Forestry
Additional Info:
Most images from specimens in Alberta. Google. Popular ornamental cultivars include P. 'Conica' and P. 'Pendula'.
Leaf Morphology:
Form:
Needle-like
Arrangement:
Spiraled
Texture/Venation:
Leathery
Surfaces:
Glabrous
Colour in Summer:
Bluish, Green
Shapes:
Acicular
Apices:
Acute
Bases:
Truncate
Margins:
Entire
Inflorescence Type:
n/a (male cone)
Flower Morphology:
Monoecious plant
Colour (petals):
Male cone, No flowers, Yellow, Pink, Brown
Flower Time at Peak:
Apr, May
Fruit Type:
Cone (winged seeds)
Fruit Colour:
Brown
Fruiting Time:
Sep, Oct
Additional Info:
Persistent,
Bark Morphology:
Plated
Bark or Stem Colour:
White, Grey
Organ Modifications:
Ectomycorrhizae
Propagation:
Seed
Pest Susceptibility:
Aphids or adelgids, Galls, Rust (Drought tolerant)
Specific Pests:
