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 ...

However, the Colorado blue spruce may be the tree most ... tall and will outgrow the space available in a home landscape. Each type of spruce grows best in a particular environment and is easy ...

Purdue Landscape Report: There have been a number of samples ... 2, 3). If I said these are Colorado Blue Spruce, we could call it Rhizosphaera and maybe call it a day, however, these samples are ...