Tree Mold/Disease?

I live in SW Ontario. The tree in the attached photo is about 13 years old and is covered with what looks like a mold or a disease (my neighbour’s opinion). The other trees on my street are very mature…

Tricolor beech turned copper in spring

After transplanting the tree two years ago about twenty feet, it has done poorly. The leaves hardly turned tricolor before turning copper. The soil here on the York ridges moraine is sandy. When transplanting it, we filled the hole with…