Picea mariana (Black Spruce)


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Picea mariana (Black Spruce) Seeds

Zones: 2 to 6.

Native to North America.

The Black spruce shares a similar range with the White spruce, growing in the northern temperate and boreal woods. It has a straight trunk with an irregular, narrow canopy and short, compact, drooping branches with upturned tips. Its silhouette makes it easy to distinguish from other spruce species.  The needle-like leaves are a dark bluish green on the upper sides, paler green underneath. Seed cones are purple-brown in colour, egg-shaped and smaller than other spruces.

It prefers a sunny site or part shade with moist, well drained soil, but can tolerate a variety of soils.

Size: Height 40 to 60 ft; Width 8 to 12 ft.

Germination Instructions

Stratification: Provide about 30 to 45 days cold, moist stratification at 3° C (37° F) to 5° C (41° F).

  1. Soak seeds in water for 24 hours.
  2. Place seeds in sandwich bag(s) with a bit of damp sand or vermiculite to keep moist.
  3. Place the bag(s) with seeds in refrigerator for about 30 to 45 days.
  4. After the required time take the seeds out of the refrigerator and sow the seeds in pots 1/8 inch deep and cover lightly. Water gently so as not to wash away the seeds. Keep soil moist but not wet.