where . . .

branchlets droop, cones=long (10-15 cm) (4-6 in)
Norway spruce Picea abies

some branchlets droop, others splay horizontal;  needles very sharp
Colorado blue spruce Picea pungens

buds and twigs=hairless;  needles=blue-green
white spruce Picea glauca

buds and twigs=hairy;  needles=blunt-pointed, short (<1 cm) (<½ in)
black spruce Picea mariana

buds and twigs=hairy;  needles=medium (>1 cm) (>½ in)
red spruce Picea rubens

Learn more about spruce genus Picea (Picea spp.)

Uses by native peoples
(Ethnobotany database)
Used as host by caterpillars of 158 species
of 🦋 butterflies and moths, in some areas.

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