Q: Some of the tips of my Colorado blue spruce tree are browning and dying. I'm attaching photos. Could you please tell me if I have insects or a disease attacking it? A: It's usually hard to nail ...

Purdue Landscape Report: We receive a large number of spruce samples each year at the Purdue Plant and Pest Diagnostic Laboratory (PPDL), with the vast majority being from Colorado blue spruce with ...

Spruce aphids can cause severe damage to blue spruce trees. They don’t show up in harmful numbers every year, but when they do, the damage can be so severe it can take years before enough needles grow ...

One of the most interesting evergreens is the weeping blue spruce (Picea pungens 'Pendula'). This cultivar of the native Colorado blue spruce was a selected seedling grown in a tree nursery in the ...

The November 2015 windstorm sent trees flying into homes and onto cars, causing damage that's still not totally fixed. Michael Lundagen at Home Fires Nursery in Spokane told KHQ one tree in particular ...

Here's PennLive garden writer George Weigel's Plant Pick of the Week for this week: * Common name: Dwarf blue spruce 'Fat Albert' * Botanical name: Picea pungens 'Fat Albert' * What it is: A needled ...