FAQ

One of our blue spruce trees is dying, dropping green needles, and turning brown. I’m worried it might spread to the others. The trees are 20-25 years old and have always been healthy. If there’s a known issue this year, can you recommend a spray?

There are several pests that can cause needle browning and defoliation of blue spruce at this time of year. Spider mites and needlecast, a fungus disease, are two of the most common. Both pests are treatable, but neither are normally associated with death of the plant. I recommend contacting a certified arborist to evaluate the trees to determine the cause of the problem.