It is also the time of year that the University of Minnesota’s Horticulture Department gets samples of Colorado blue spruce. They are subject to all sorts of diseases. One of the problems with this ...

Growing trees for your landscape is a gardening ... Considered a slow grower, Colorado Blue Spruce, Picea pungens, can reach Christmas tree size in five years at 5 feet tall when started as ...

A: I think I threw this caller to the radio show for a loop when my answer was, "you know, I'm having trouble thinking of ...

There are several evergreen trees which you can grow if you have acidic soil. Among the top contenders are the Colorado blue ...