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Picea
Also called Spruces
Spruces are a genus of about 37 evergreen conifers in the pine family, native to cool northern regions. They are grown mainly as large forest and ornamental trees, and the key to growing them is cool conditions with full sun and moist, well-drained soil.
A spruce is a tree of the genus Picea, a genus of some 37 species of coniferous trees in the pine family, Pinaceae, found in the northern temperate and boreal (taiga) regions of the Northern Hemisphere. Picea is treated either in the subfamily Pinoideae, or the sole genus in its own subfamily Piceoideae.
Spruces can be distinguished from other genera of the family Pinaceae by their needles (leaves), which are four-sided and attached singly to small persistent peg-like structures (pulvini) on the twigs. The needles are shed when 4–10 years old, leaving the twigs rough with the retained pegs. Pests of spruce forestry include green spruce aphid, eastern spruce budworm, European spruce bark beetle, and great spruce bark beetle.
Norway Spruce · Brewer's Spruce · White Spruce · Jezo Spruce · Black Spruce · Serbian Spruce · Caucasian Spruce · Blue spruce · Schrenk's Spruce
Text excerpted from the Wikipedia article Spruce by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
