Scientific Name:	Picea mariana
Pronunciation:	PYE-see-uh mar-ee-AY-nuh
Common Name:	black spruce
Family Name:	Pinaceae
Plant Type:	Conifer
Key ID Features:	Needles 0.6-1.5(2) cm, 4-angled in cross section, rigid, pale blue-green, glaucous, bearing stomates on all surfaces, apex mostly blunt-tipped; female cones 1.5-2.5(-4) cm, scales fan-shaped, broadest near apex, 8-12 × 8-12 mm, dark purple ripening purple-brown (Conifers.org). Seedlings with 3-5 cotyledons.
Course(s):	HORT 1193/1293

Habit: Upright Form: Pyramidal - narrowly Texture: Medium - fine Mature Size: Height: 15 - 22m Spread: 4 - 5m Growth Rate: Slow Origin: B.C. east of Cascades, B.C. west of Cascades, Canada - central, Canada - eastern, Canada - northern Hardiness Rating: Zone 2: (-46 to -40 C) Exposure: Full sun, Part sun/part shade Soil/ Growing Medium: Acidic, Bog Landscape Uses: Forestry Additional Info: Google. Cultivars shown may include P. 'Aureovariegata'.

Leaf Morphology: Glossary Form: Needle-like Arrangement: Spiraled Texture/ Venation: Leathery Surfaces: Glabrous Colour in Summer: Bluish, Dark-green Leaf(let) Terms: Shapes: Acicular Margins: Additional Info: Broad, 1 cm long, stiff, blunt, 4-sided, on peg-like base. Juvenile lvs. slender, no teeth.

Inflorescence Type: n/a Flower Morphology: Monoecious plant Colour (petals): No flowers Flower Time at Peak:

Fruit Type: n/a Fruit Colour: Brown Fruiting Time:

Bark or Stem Colour: Brown, Grey     Organ Modifications: Ectomycorrhizae

Propagation:	Seed

Location(s): (GNH) GreeNHouse (NRY) NuRserY Location Map

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