Evergreen trees are browning

Hi- I live in Toronto and have several evergreen trees on my front lawn (north side of property) that are approximately 23 years old. They have been perfectly healthy until this past month when several of them have turned brown.…

Spruce with Rusty-Looking Needles

I live 25 miles north of Toronto and have clay soil. Some of my spruce trees’ needles, especially those facing south, look sunburnt, and then drop. The trees are 5 years old and look healthy, Is there anything I can…