Tag Archives: Colorado blue spruce

Needle cast disease on Colorado Blue Spruce

Needlecast disease on 2 Colorado blue spruce killed both trees in less than a year. Trees have been removed and stumps ground. Question: Do I need to discard the soil to prevent contamination of replacement plants? No more spruces will…

Blue Spruce Shrub – Insects and Needle Drop

Location – Cambridge, Ontario Partial Shade We moved to our home last year and found that the 2 blue spruce shurbs were losing all of the needles on the tips. (trunks approx. 4″ dia) The nearby overgrown euonymous had scale…