Picea mariana

Picea mariana black spruce

Plant grows in the wild/spontaneouslyPlant is native to PA

A slow-growing native spruce living up to 200 years.  It is commonly found along marshes and bogs.  Cones mature in autumn but may not open for a number of years. Heat from forest fires opens the cones releasing large number of seeds. Black spruce is relatively small, only growing to a height of 50 feet.

Grows in bogs, peats, or wet soil, often with tamaracks.

Present throughout the state.

Wetland codes
EMP: FACW
NCNE: FACW



Cones mature in autumn, but may not open and stay on the tree for up to 15 yrs.

Tree  narrow pyramid shape, slender, small to medium size; upper branches spread and can be drooping, many dead lower branches

Needles  single, densely set along twig, dull bluish-green in color; 1⁄4-1 inch long

Twigs  young twigs have very small brownish hairs

Bark  reddish-brown with large scales, inside bark is light green

Seed Cones  purplish, becoming brown when mature, egg-shaped;   1⁄2-1 1⁄2 inch long

Height  20-50 feet

Fall Color  evergreen

Age  150-200 yrs

S-rank:  S4 (Apparently secure)
G-rank:  G5 (Secure)

Picea mariana black spruce

Plant grows in the wild/spontaneouslyPlant is native to PA
Picea mariana gallery
Plant Life-Form
evergreen coniferous tree
Common Names
black spruce