The point of origination of Serbian spruce (Picea omorika) has been heavily contested. Competing studies have claimed that the species originated in either Asia approximately 16 million years ago, or ...

I would venture to guess that the most popular evergreen tree for Idaho landscapes is the blue spruce (Picea pungens). They ...

Old Tjikko sprouted almost 9,560 years ago, making it older than the Egyptian pyramids, Stonehenge, and the rise of human ...

Evidently, Charlie Brown had picked a tree completely opposite from the most common species of Christmas tree – the blue spruce. Known for its pyramidal form and sharp blue-green needles, blue spruce ...