Q: I have always loved the look of blue spruce, and I see many Maryland nurseries stocking them. I’ve heard that I should consider alternatives. Why? A: Every plant has something it can be vulnerable ...

A potentially devastating disease epidemic is attacking our region's most common evergreen trees. Colorado, Black Hills and Norway spruce have long been planted in yards and shelterbelts. Most of the ...

Blue spruce trees have been especially vulnerable to a fungal disease called rhizosphaera needle cast in which needles turn purplish-brown, beginning on the lower branches and then making their way up ...