Category: Tree Diseases

How to Treat Rhizosphaera Needle Cast Disease in Your Blue Spruce Tree

closeup of blue spruce tree needles

Blue spruce trees thrive in the right conditions, but, like all plants, they are also susceptible to disease and can suffer from environmental stress. Cooler temperatures and wet conditions favor potential development of needle cast diseases on blue spruce trees. Identifying needle cast disease If you ever take a look at a blue spruce tree… Read more »

Common Blue Spruce Tree Problems

Blue Spruce Trees Infected by Disease

Warmer weather means blooming spruce trees! As the buds begin to open and start developing new needles, it’s vital for you to watch out for these common pests and diseases that could pose a threat to your blue spruce tree. Common Pests Spider Mites These tiny mites feed on young buds, causing the needles to… Read more »

Why Do Trees Produce Sap?

Blue Spruce Tree Farm in Summit County CO

If you have ever found yourself in a forest or otherwise around pine trees, then you may have noticed that some of them are coated in places with a sticky sap. If you are not an expert in dendrology – the study of trees – then you may not understand where this sap comes from… Read more »

Cytospera Canker – Understanding this Common Tree Disease

There are several forms of spruce-killing canker diseases in the world, but the most dangerous and lethal by far is the cytospera canker. This disease is a killer of substantial proportions, and its most common victims include the Colorado, Norway and Koster’s blue spruce as well as the Douglas fir. To combat the disease, we… Read more »