often sporting silvery-blue needles and pendulous cones. Nobody seems to have done a count lately of members of different spruce tree varieties in the wild, so the most common spruce tree is ...

In addition to being a beautiful tree that maintains color year round, these trees make an excellent wind break and for the most part grow quite well here. When we see diseases in blue spruce, which ...

Browse 10+ blue spruce tree clip art stock illustrations and vector graphics available royalty-free, or start a new search to explore more great stock images and vector art. Crazy animated Christmas ...

Leaves – Evergreen needles; ½ -1” in length, flat, and attached directly to the twig via a small peg. Needles are dark green above, with prominent glaucous white stomatal bands beneath. Twigs and Buds ...

Lab analysis is necessary to distinguish Rhizosphaera needle cast from other diseases of spruce trees. Submit a sample to the UMN Plant Disease Clinic for testing. Colorado blue spruce (Picea pungens) ...

The Cooley gall adelgid is a problem in Douglas fir Christmas tree plantations especially when the two host species ... Non-chemical: Do not plant the two hosts (Douglas fir and Colorado blue or white ...