The rust is most common on blue spruce but can also infect white ... which will turn yellow and fall off the tree later this fall. The tree will not grow new needles in place of those that fall ...

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 ...

These trees (Picea glauca) grow well in protected sites and require well-draining soil. The Black Hills Spruce variety (P.

Bark beetle-infested spruce trees begin to dry out already before any visible signs of tree mortality appear, a recent study shows.