Annual cold snaps have kept some invasive tree pests in check, but outbreaks could become more common with warming ...

These trees grow to 50 feet (16m) by 20 feet (3.5m) wide. Cultivars include Densata which is more compact and grows more ...

In the Thuringian Forest or the Harz Mountains, dead spruce trees (Picea abies) dot the landscape like skeletons. Many have ...

When Rita Guenette bought a Colorado Blue Spruce tree from a Baker’s supermarket 40 years ago, it stood less than a foot tall in her front yard near 86th and From small beginnings to a big ...

We think this bushy blue spruce would look fab with some old-school shimmering baubles, with pride of place atop a side table. Nordman Fir Pot Grown Christmas Tree 1ft, currently £14.99 (usually ...

These are lichens. Lichens are non-destructive, living organisms composed of a fungus and algae living in a symbiotic ...

Q: We have three large blue-spruce trees in our yard and over the years, each of them has developed dead branches on different parts of the tree. One of these trees was completely dead, so we ...

Colorado spruce (Picea pungens), the species with the popular blue-needled cultivars, struggles in Maryland growing conditions. As such, it is at risk for several problems that cause dieback and ...

Loveland’s tree streets include 22 streets named for trees in the Pine Family. The family includes 234 species worldwide and they separate into nine groups: cedars, Douglas-firs, firs, golden ...

A.: There are a number of factors causing the decline in blue spruce trees including environmental changes, poor site conditions and new pathogens.

However, be aware that there are over 50 species of these trees worldwide, with small differences between them. ... Colorado blue spruce, black spruce, Sitka spruce, white spruce, ...